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Science Process Skills

  • Students present their posters to classmates and instructors during a poster fair.

    Discovery Poster Project

    Learning Objectives
    Students will be able to:
    • identify and learn about a scientific research discovery of interest to them using popular press articles and the primary literature
    • find a group on campus doing research that aligns with their interests and communicate with the faculty leader of that group
    • create and present a poster that synthesizes their knowledge of the research beyond the discovery
  • Madhumathi S V (2013) This image is license under a Creative Commons Atrribution-Share Alike 4.0 International.  https://commons.wikimedia.org/wiki/File:Business_ethics.jpg

    Priority Setting in Public Health: A lesson in ethics and hard choices

    Learning Objectives
    At the end of this unit, students will be able to:
    • Define the central distinction between public health and medicine
    • Apply objectives of public health and individual medical care in a particular situation to identify potential areas of conflict in priority setting
    • Apply moral theories of utilitarianism and deontology to a particular situation to identify the course of action proponents of each theory would see as morally justified
    • Identify the range of morally justifiable actions that might be available to a health professional in a particular setting
    • Choose from among a range of possible actions in a particular health situation and articulate the ethical principles that would justify that choice.
  • Many colorful hand prints
  • Wikipedia in the Science Classroom. In this primary image, students are sharing their Wikipedia article evaluations and evaluation process with their peers.
  • Ecosystem

    Using Pathway Maps to Link Concepts, Peer Review, Primary Literature Searches and Data Assessment in Large Enrollment...

    Learning Objectives
    • Define basic concepts and terminology of Ecosystem Ecology
    • Link biological processes that affect each other
    • Evaluate whether the link causes a positive, negative, or neutral effect
    • Find primary literature
    • Identify data that correctly supports or refutes an hypothesis
  • Normal Arabidopsis plants (A) have flat, spatula shaped leaves. asymmetric leaves2 (as2) mutant plants (B) have leaves that are curled under and slightly twisted. asymmetric leaves1(as1) mutant plants (C) have leaves that are curled under and twisted but also have reduced petioles.  In the laboratory activities I present, students analyze the sequence of the as1 and as2 alleles and computationally model the wild-type and mutant proteins. Visualizing the 3-D structure of the proteins helps students understan

    Using computational molecular modeling software to demonstrate how DNA mutations cause phenotypes

    Learning Objectives
    Students successfully completing this lesson will:
    1. Practice basic molecular biology laboratory skills such as DNA isolation, PCR, and gel electrophoresis.
    2. Gather and analyze quantitative and qualitative scientific data and present it in figures.
    3. Use bioinformatics to analyze DNA sequences and obtain protein sequences for molecular modeling.
    4. Make and analyze three-dimensional (3-D) protein models using molecular modeling software.
    5. Write a laboratory report using the collected data to explain how mutations in the DNA cause changes in protein structure/function which lead to mutant phenotypes.
  • Students participating in the peer review process. Practicing the writing of scientific manuscripts prepares students to understand and engage in the primary literature they encounter.
  • “The outcome of the Central Dogma is not always intuitive” Variation in gene size does not necessarily correlate with variation in protein size. Here, two related genes differ in length due to a deletion mutation that removes four nucleotides. Many students do not predict that the smaller gene, after transcription and translation, would produce a larger protein.

    Predicting and classifying effects of insertion and deletion mutations on protein coding regions

    Learning Objectives
    Students will be able to:
    • accurately predict effects of frameshift mutations in protein coding regions
    • conduct statistical analysis to compare expected and observed values
    • become familiar with accessing and using DNA sequence databases and analysis tools
  • Genome view obtained from the integrated genome viewer: screenshot of Illumina 75bp single-end reads from two rockfishes Sebastes chrysomelas (top) and S. carnatus (bottom) aligned to a closely related reference genome (S. rubrivinctus).  Reads shown are within the coding region of a gene that was located in an island of genomic divergence between the two species.  The CT mutation within S. carnatus is predicted to cause an amino acid substitution from Lysine to Phenylalanine in a taste receptor gene.  This

    An Introduction to Eukaryotic Genome Analysis in Non-model Species for Undergraduates: A tutorial from the Genome...

    Learning Objectives
    At the end of the activity, students will be able to:
    • Explain the steps involved in genome assembly, annotation, and variant detection to other students and instructors.
    • Create meaningful visualizations of their data using the integrated genome viewer.
    • Use the Linux command line and web-based tools to answer research questions.
    • Produce annotated genomes and call variants from raw sequencing reads in non-model species.
  • CRISPR/Cas9 in yeast experimental overview

    CRISPR/Cas9 in yeast: a multi-week laboratory exercise for undergraduate students

    Learning Objectives
    Week 1: CRISPR design
    • Locate the coding sequence, flanking sequence, protein product, and characteristics of a given gene from the Saccharomyces Genome Database (https://www.yeastgenome.org/).
    • Design and defend the design of guide RNA and single stranded template for DNA repair in CRISPR/Cas9 gene editing studies to generate Saccharomyces cerevisiae auxotrophic mutants.
    Week 3-4: Cloning
    • Describe the qualities of the vector, pML104, that allow replication and selection in bacteria and yeast as well as allow expression of necessary factors in CRISPR/Cas9 genome editing, including Cas9 and sgRNA.
    • Describe the rationale of and perform procedures necessary for cloning a small cassette (i.e., sgRNA gene) into a vector (i.e., pML104) including; restriction digest, annealing of DNA strands, removal of 5’ phosphates, ligation, and transformation.
    • Recognize and design appropriate controls for cloning procedures such as ligation and transformation.
    Week 5: Screening clones
    • Describe the method of polymerase chain reaction (PCR), including the rationale for essential components of a reaction mixture and thermal-cycling conditions.
    • Locate the binding sites of and design primers for PCR, then report the expected size of the amplification product.
    • Describe and perform isolation of plasmid DNA from E. coli.  
    Week 6: Selection of clones and transformation of yeast
    • Describe the rationale for and perform procedures to transform yeast, including the essential components of a transformation mixture and conditions necessary for transformation.
    • Describe the basic conditions required for cultivating yeast.
    • Describe the rationale for and perform agarose gel electrophoresis of a given size of DNA.
    • Analyze DNA separated by agarose gel electrophoresis, including size estimation.
    • Recognize and describe the qualities of a template for DNA repair that allows efficient DNA repair. 
    Week 7: Phenotyping
    • Design an experiment to determine auxotrophic phenotypes.
    • Predict the outcome of multi-step experiments.
    Multiweek
    • Recognize and describe conditions necessary for growth of E. coli and S. cerevisiae.
    • Qualitatively and quantitatively analyze scientific data from scientific experiments, including bacterial and yeast transformation, agarose gel electrophoresis, extraction of plasmid DNA from bacteria, PCR, and auxotroph phenotypic analysis.
    • Communicate science to peers through maintenance of a laboratory notebook, verbal communication with group members, and writing of a formal laboratory report written in a format acceptable for journal publication.
    • Troubleshoot scientific protocols by identifying procedures that are prone to error, comparing recommended protocols to actual procedure, and using positive and negative controls to narrow the location of a potential error.
    • Communicate specific potential or actual uses of CRISPR/Cas9 in science and/or medicine.
    Alignment with Society-Generated Learning Objectives - From Biochemistry and Molecular Biology, and Genetics Learning Frameworks
    • Use various bioinformatics approaches to analyze macromolecular primary sequence and structure.
    • Illustrate how DNA is replicated and genes are transmitted from one generation to the next in multiple types of organisms including bacteria, eukaryotes, viruses, and retroviruses.
    • Define what a genome consists of and how the information in various genes and other sequence classes within each genome are used to store and express genetic information.
    • Explain the meaning of ploidy (haploid, diploid, aneuploid etc.) and how it relates to the number of homologues of each chromosome. 
    • Predict the effects of mutations on the activity, structure, or stability of a protein and design appropriate experiments to assess the effects of mutations.
    • Predict the growth behavior of microbes based on their growth conditions, e.g., temperature, available nutrient, aeration level, etc.
    • Discuss the benefits of specific tools of modern biotechnology that are derived from naturally occurring microbes (e.g. cloning vectors, restriction enzymes, Taq polymerase, etc.)
    • Accurately prepare and use reagents and perform experiments.
    • When presented with an observation, develop a testable and falsifiable hypothesis.
    • When provided with a hypothesis, identify the appropriate experimental observations and controllable variables.
  • Bacteria growing on petri dish

    You and Your Oral Microflora: Introducing non-biology majors to their “forgotten organ”

    Learning Objectives
    Students will be able to:
    • Explain both beneficial and detrimental roles of microbes in human health.
    • Compare and contrast DNA replication as it occurs inside a cell versus in a test tube
    • Identify an unknown sequence of DNA by performing a BLAST search
    • Navigate sources of scientific information to assess the accuracy of their experimental techniques
  • Two cells stained

    Bad Cell Reception? Using a cell part activity to help students appreciate cell biology, with an improved data plan and...

    Learning Objectives
    • Identify cell parts and explain their function
    • Explain how defects in a cell part can result in human disease
    • Generate thought-provoking questions that expand upon existing knowledge
    • Create a hypothesis and plan an experiment to answer a cell part question
    • Find and reference relevant cell biology journal articles
  • Students at Century College use gel electrophoresis to analyze PCR samples in order to detect a group of ampicillin-resistance genes.

    Antibiotic Resistance Genes Detection in Environmental Samples

    Learning Objectives
    After completing this laboratory series, students will be able to:
    • apply the scientific method in formulating a hypothesis, designing a controlled experiment using appropriate molecular biology techniques, and analyzing experimental results;
    • conduct a molecular biology experiment and explain the principles behind methodologies, such as accurate use of micropipettes, PCR (polymerase chain reaction), and gel electrophoresis;
    • determine the presence of antibiotic-resistance genes in environmental samples by analyzing PCR products using gel electrophoresis;
    • explain mechanisms of microbial antibiotic resistance;
    • contribute data to the Antibiotic Resistance Genes Network;
    • define and apply key concepts of antibiotic resistance and gene identification via PCR fragment size.
  • Hydrozoan polyps on a hermit-crab shell (photo by Tiffany Galush)

    A new approach to course-based research using a hermit crab-hydrozoan symbiosis

    Learning Objectives
    Students will be able to:
    • define different types of symbiotic interactions, with specific examples.
    • summarize and critically evaluate contemporary primary literature relevant to ecological symbioses, in particular that between hermit crabs and Hydractinia spp.
    • articulate a question, based on observations of a natural phenomenon (in this example, the hermit crab-Hydractinia interaction).
    • articulate a testable hypothesis, based on their own observations and read of the literature.
    • design appropriate experimental or observational studies to address their hypotheses.
    • collect and interpret data in light of their hypotheses.
    • problem-solve and troubleshoot issues that arise during their experiment.
    • communicate scientific results, both orally and in written form.
  • 3D Print Model of the Mars Curiosity Rover, printed from NASA 3D Resources (https://nasa3d.arc.nasa.gov/detail/mars-rover-curiosity)

    Exploring the March to Mars Using 3D Print Models

    Learning Objectives
    • Students will be able to describe the major aspects of the Mars Curiosity Rover missions.
    • Students will be able to synthesize information learned from a classroom jigsaw activity on the Mars Curiosity Rover missions.
    • Students will be able to work in teams to plan a future manned mission to Mars.
    • Students will be able to summarize their reports to the class.
  • This is the question when working with pH and pKa. This is original artwork by the author and no copyright is violated.

    Taking the Hassle out of Hasselbalch

    Learning Objectives
    Students will be able to:
    1. Characterize an aqueous environment as acidic or basic.
    2. Explain that pKa is a measure of how easy it is to remove a proton from a molecule.
    3. Predict ionization state of a molecule at a particular pH based on its pKa (qualitative use of the Henderson-Hasselbalch equation).
    4. Calculate the ratio of protonated/unprotonated forms of ionizable groups depending on chemical characteristics and /or environment pH (quantitative use of the Henderson-Hasselbalch equation).
    5. Apply this knowledge in a medical context.
  • SNP model by David Eccles (gringer) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY 4.0 (http://creativecommons.org/licenses/by/4.0)], via Wikimedia Commons

    Exploration of the Human Genome by Investigation of Personalized SNPs

    Learning Objectives
    Students successfully completing this lesson will be able to:
    • Effectively use the bioinformatics databases (SNPedia, the UCSC Genome Browser, and NCBI) to explore SNPs of interest within the human genome.
    • Identify three health-related SNPs of personal interest and use the UCSC Genome Browser to define their precise chromosomal locations and determine whether they lie within a gene or are intergenic.
    • Establish a list of all genome-wide association studies correlated with a particular health-related SNP.
    • Predict which model organism would be most appropriate for conducting further research on a human disease.
  • Plant ecology students surveying vegetation at Red Hills, CA, spring 2012.  From left to right are G.L, F.D, A.M., and R.P.  Photo used with permission from all students.

    Out of Your Seat and on Your Feet! An adaptable course-based research project in plant ecology for advanced students

    Learning Objectives
    Students will:
    • Articulate testable hypotheses. (Lab 8, final presentation/paper, in-class exercises)
    • Analyze data to determine the level of support for articulated hypotheses. (Labs 4-7, final presentation/paper)
    • Identify multiple species of plants in the field quickly and accurately. (Labs 2-3, field trip)
    • Measure environmental variables and sample vegetation in the field. (Labs 2-3, field trip)
    • Analyze soil samples using a variety of low-tech lab techniques. (Open labs after field trip)
    • Use multiple statistical techniques to analyze data for patterns. (Labs 4-8, final presentation/paper)
    • Interpret statistical analyses to distinguish between strong and weak interactions in a biological system. (Labs 4-7, final presentation/paper)
    • Develop and present a conference-style presentation in a public forum. (Lab 8, final presentation/paper)
    • Write a publication-ready research paper communicating findings and displaying data. (Lab 8, final presentation/paper)
  • Double-stranded, supercoiled yarn. Intertwined, supercoiled, and double-stranded yarn, representing chromosomal template DNA, with a section marked with black stripes to represent the DNA fragment for modeling PCR fundamentals.

    A Kinesthetic Modeling Activity to Teach PCR Fundamentals

    Learning Objectives
    Students will be able to:
    • Draw or model the first three cycles of PCR, including the correct directionality (5’- and 3’-ends) of the primers and single-stranded PCR products.
    • Diagram how single-stranded products from the first cycle of PCR are used as templates for subsequent PCR cycles.
    • Demonstrate which parts of the primers will anneal to the original DNA template and subsequent PCR products.
    • Model and demonstrate when the primer restriction enzyme sites are incorporated into double-stranded PCR products.
    • Calculate the number of desired-length PCR products and long PCR products for each amplification cycle.
    • Demonstrate how the incorporation of primer restriction enzyme sites into PCR products is a useful tool for subsequent cloning of the product into a vector.
  • pClone Red Makes Research Look Easy

    Using Synthetic Biology and pClone Red for Authentic Research on Promoter Function: Introductory Biology (identifying...

    Learning Objectives
    • Describe how cells can produce proteins at the right time and correct amount.
    • Diagram how a repressor works to reduce transcription.
    • Diagram how an activator works to increase transcription.
    • Identify a new promoter from literature and design a method to clone it and test its function.
    • Successfully and safely manipulate DNA and Escherichia coli for ligation and transformation experiments.
    • Design an experiment to verify a new promoter has been cloned into a destination vector.
    • Design an experiment to measure the strength of a promoter.
    • Analyze data showing reporter protein produced and use the data to assess promoter strength.
    • Define type IIs restriction enzymes.
    • Distinguish between type II and type IIs restriction enzymes.
    • Explain how Golden Gate Assembly (GGA) works.
    • Measure the relative strength of a promoter compared to a standard promoter.
  • Monarch larvae

    Does it pose a threat? Investigating the impact of Bt corn on monarch butterflies

    Learning Objectives
    Students will be able to:
    • Apply genetics concepts to a relevant case study of Bt corn and monarch butterflies
    • Read figures and text from primary literature
    • Identify claims presented in scientific studies
    • Evaluate data presented in scientific studies
    • Critically reason using data
    • Evaluate the consequences of GM technology on non-target organisms
    • Communicate scientific data orally
  • The Roc is a mythical giant bird of prey, first conceived during the Islamic Golden Age (~8th to 13th centuries CE), popularized in folk tales gathered in One Thousand One Nights. Rocs figured prominently in tales of Sinbad the Sailor. In this 1898 illustration by René Bull, the Roc is harassing two of Sinbad’s small fleet of ships. Illustration by René Bull is licensed under CC BY 2.0. (Source: https://en.wikipedia.org/wiki/Roc_(mythology)#mediaviewer/File:Rocweb.jpg)

    A first lesson in mathematical modeling for biologists: Rocs

    Learning Objectives
    • Systematically develop a functioning, discrete, single-species model of an exponentially-growing or -declining population.
    • Use the model to recommend appropriate action for population management.
    • Communicate model output and recommendations to non-expert audiences.
    • Generate a collaborative work product that most individuals could not generate on their own, given time and resource constraints.
  • Neutrophils in a Danio rerio Embryo. Student-generated picture of a wounded zebrafish embryo that was stained to show the neutrophils (small black dots) that had migrated toward the wound site on the fin.

    Inexpensive Cell Migration Inquiry Lab using Zebrafish

    Learning Objectives
    Students will:
    • formulate a hypothesis and design an experiment with the proper controls.
    • describe the steps involved in the zebrafish wounding assay (treating zebrafish embryos with drugs or control substances, wounding the embryo, staining the embryo, and counting neutrophils near the wound).
    • summarize results into a figure and write a descriptive figure legend.
    • perform appropriate statistical analysis.
    • interpret results in a discussion that draws connections between the cytoskeleton and cell migration.
    • put data into context by appropriately using information from journal articles in the introduction and discussion of a lab report.
  • Human karyotype

    Homologous chromosomes? Exploring human sex chromosomes, sex determination and sex reversal using bioinformatics...

    Learning Objectives
    Students successfully completing this lesson will:
    • Practice navigating an online bioinformatics resource and identify evidence relevant to solving investigation questions
    • Contrast the array of genes expected on homologous autosomal chromosomes pairs with the array of genes expected on sex chromosome pairs
    • Use bioinformatics evidence to defend the definition of homologous chromosomes
    • Define chromosomal sex and defend the definition using experimental data
    • Investigate the genetic basis of human chromosomal sex determination
    • Identify at least two genetic mutations can lead to sex reversal
  • Adult female Daphnia dentifera. Daphnia spp. make a great study system due to their transparent body and their ease of upkeep in a lab.

    Dynamic Daphnia: An inquiry-based research experience in ecology that teaches the scientific process to first-year...

    Learning Objectives
    Students will be able to:
    • Construct written predictions about 1 factor experiments.
    • Interpret simple (2 variables) figures.
    • Construct simple (2 variables) figures from data.
    • Design simple 1 factor experiments with appropriate controls.
    • Demonstrate proper use of standard laboratory items, including a two-stop pipette, stereomicroscope, and laboratory notebook.
    • Calculate means and standard deviations.
    • Given some scaffolding (instructions), select the correct statistical test for a data set, be able to run a t-test, ANOVA, chi-squared test, and linear regression in Microsoft Excel, and be able to correctly interpret their results.
    • Construct and present a scientific poster.
  • Image from http://www.epa.gov/airdata/ad_maps.html

    Air Quality Data Mining: Mining the US EPA AirData website for student-led evaluation of air quality issues

    Learning Objectives
    Students will be able to:
    • Describe various parameters of air quality that can negatively impact human health, list priority air pollutants, and interpret the EPA Air Quality Index as it relates to human health.
    • Identify an air quality problem that varies on spatial and/or temporal scales that can be addressed using publicly available U.S. EPA air data.
    • Collect appropriate U.S. EPA Airdata information needed to answer that/those questions, using the U.S. EPA Airdata website data mining tools.
    • Analyze the data as needed to address or answer their question(s).
    • Interpret data and draw conclusions regarding air quality levels and/or impacts on human and public health.
    • Communicate results in the form of a scientific paper.
  • Confocal microscope image of a mouse egg that is arrested at metaphase of meiosis II. Green, tubulin staining of meiotic spindle; red, actin staining of egg membrane; blue, DNA. This image was obtained on a Zeiss 510 Meta confocal microscope in the Department of Genetics at Rutgers University

    Sex-specific differences in Meiosis: Real-world applications

    Learning Objectives
    After completion of the lesson students will be able to:
    1. Describe the differences between female and male meiosis.
    2. Interpret graphical data to make decisions relevant to medical practices.
    3. Develop a hypothesis that explains the difference in incidence of aneuploidy in gametes between males and females.
  • Using Undergraduate Molecular Biology Labs to Discover Targets of miRNAs in Humans

    Learning Objectives
    • Use biological databases to generate and compare lists of predicted miR targets, and obtain the mRNA sequence of their selected candidate gene
    • Use bioinformatics tools to design and optimize primer sets for qPCR
  • Reprinted by permission from Macmillan Publishers Ltd.

    A Hands-on Introduction to Hidden Markov Models

    Learning Objectives
    • Students will be able to process unannotated genomic data using ab initio gene finders as well as other inputs.
    • Students will be able to defend the proposed gene annotation.
    • Students will reflect on the other uses for HMMs.
  • Pipets - photo by Magnus Manske

    Learning to Pipet Correctly by Pipetting Incorrectly?

    Learning Objectives
    • Students will be able to use analytical balances and micropipettes.
    • Students will be able to calculate averages and standard deviations.
    • Students will be able to use t-tests to compare two independent samples.
    • Students will be able to justify accepting or rejecting a null hypothesis based on an interpretation of p-values.
    • Students will learn to use spreadsheet software such as Microsoft Excel and/or Google Sheets
    • Students will be able to explain how pipetting incorrectly leads to errors.
  • A photo of grizzly bears fishing in the McNeil Falls in Alaska, taken using BearCam by Lawrence Griffing.

    Authentic Ecological Inquiries Using BearCam Archives

    Learning Objectives
    Students will be able to:
    • conduct an authentic ecological inquiry including
      • generate a testable hypothesis based on observations,
      • design investigation with appropriate sampling selection and variables,
      • collect and analyze data following the design, and
      • interpret results and draw conclusions based on the evidence.
    • write a research report with appropriate structure and style.
    • evaluate the quality of inquiry reports using a rubric.
    • conduct peer review to evaluate and provide feedback to others' work.
    • revise the inquiry report based on peer feedback and self-assessment.
  • Snake

    Why Meiosis Matters: The case of the fatherless snake

    Learning Objectives
    Students will be able to:
    • Compare and contrast the process and outcomes of mitosis & meiosis
    • Predict consequences of abnormal meiosis including
      • The potential genotype and/or phenotypes of offspring produced when meiosis does not occur properly
      • The stage(s) of meiosis that could have been abnormal given an offspring’s genotype and/or phenotype
  • Playon Words Title Screen

    Using Gamification to Teach Undergraduate Students about Scientific Writing

    Learning Objectives
    Topics within Playon Words are grouped into “mini-games.” The Learning Objectives for each mini-game are as follows: Sentence Sensei
    • Identify the best sentence variant from a list of options
    • Identify and eliminate needless words
    • Identify where and when to use different types of punctuation marks
    • Identify and correct common grammar mistakes
    Organization Optimizer
    • Organize sentences in a logical order
    • Describe the components of different sections of a scientific paper
    • Identify the section of a scientific paper where a given sentence belongs
    • Eliminate sentences which do not belong in a given writing sample
    Science Officer Training
    • Classify statements as scientific or non-scientific
    • Identify which statements support a particular hypothesis or position
    • Classify provided sentences (e.g. hypotheses vs. predictions, problems vs. experiments, results vs. discussion)
    Reference Referee
    • Compare and contrast different types (e.g. primary literature, review articles, popular literature etc.) and sources (PubMed, Web of Science, Google Scholar etc.) of scientific information
    • Identify locations in texts where citations are needed
    • Identify citations and/or references that are incorrect or missing key information
    • Identify information that does not belong in the reference list (e.g. vendor information)
  • Teaching Genetic Linkage and Recombination through Mapping with Molecular Markers

    Learning Objectives
    Students will be able to:
    • Explain how recombination can lead to new combinations of linked alleles.
    • Explain how molecular markers (such as microsatellites) can be used to map the location of genes/loci, including what crosses would be informative and why.
    • Explain how banding patterns on an electrophoresis gel represent the segregation of alleles during meiosis.
    • Predict how recombination frequency between two linked loci affects the genotype frequencies of the products of meiosis compared to loci that are unlinked (or very tightly linked).
    • Analyze data from a cross (phenotypes and/or genotypes) to determine if the cross involves linked genes.
    • Calculate the map distance between linked genes using data from genetic crosses, such as gel electrophoresis banding patterns.
    • Justify conclusions about genetic linkage by describing the information in the data that allows you to determine genes are linked.
  • Sample Student Growth Curve. This image shows a yeast growth curve generated by a student in our lab, superimposed on an image of Saccharomyces cerevisiae cells.

    Using Yeast to Make Scientists: A Six-Week Student-Driven Research Project for the Cell Biology Laboratory

    Learning Objectives
    • Learn about basic S. cerevisiae biology
    • Use sterile technique
    • Perform a yeast viability assay
    • Use a spectrophotometer to measure growth of S. cerevisiae
    • Perform a literature search
    • Calculate concentrations of chemicals appropriate for S. cerevisiae
    • Generate S. cerevisiae growth curves
    • Troubleshoot experimental difficulties
    • Perform statistical analysis
    • Present findings to an audience
  • DNA

    Why do Some People Inherit a Predisposition to Cancer? A small group activity on cancer genetics

    Learning Objectives
    At the end of this activity, we expect students will be able to:
    1. Use family pedigrees and additional genetic information to determine inheritance patterns for hereditary forms of cancer
    2. Explain why a person with or without cancer can pass on a mutant allele to the next generation and how that impacts probability calculations
    3. Distinguish between proto-oncogenes and tumor suppressor genes
  • Students being lead in an active learning exercise.
  • Building a Model of Tumorigenesis: A small group activity for a cancer biology/cell biology course

    Learning Objectives
    At the end of the activity, students will be able to:
    • Analyze data from a retrospective clinical study uncovering genetic alterations in colorectal cancer.
    • Draw conclusions about human tumorigenesis using data from a retrospective clinical study.
    • Present scientific data in an appropriate and accurate way.
    • Discuss why modeling is an important practice of science.
    • Create a simple model of the genetic changes associated with a particular human cancer.
  • pClone Red Makes Research Look Easy

    Using Synthetic Biology and pClone Red for Authentic Research on Promoter Function: Genetics (analyzing mutant...

    Learning Objectives
    • Describe how cells can produce proteins at the right time and correct amount. 
    • Diagram a bacterial promoter with −35 and −10 elements and the transcription start site.
    • Describe how mutational analysis can be used to study promoter sequence requirements.
    • Develop a promoter mutation hypothesis and design an experiment to test it.
    • Successfully and safely manipulate DNA and Escherichia coli for ligation and transformation experiments. 
    • Design an experiment to verify a mutated promoter has been cloned into a destination vector. 
    • Design an experiment to measure the strength of a promoter. 
    • Analyze data showing reporter protein produced and use the data to assess promoter strength. 
    • Define type IIs restriction enzymes.
    • Distinguish between type II and type IIs restriction enzymes.
    • Explain how Golden Gate Assembly (GGA) works.
    • Measure the relative strength of a promoter compared to a standard promoter.  
  • A A student assists Colorado Parks & Wildlife employees spawning greenback cutthroat trout at the Leadville National Fish Hatchery; B greenback cutthroat trout adults in a hatchery raceway; C tissue samples collected by students to be used for genetic analysis (images taken by S. Love Stowell)

    Cutthroat trout in Colorado: A case study connecting evolution and conservation

    Learning Objectives
    Students will be able to:
    • interpret figures such as maps, phylogenies, STRUCTURE plots, and networks for species delimitation
    • identify sources of uncertainty and disagreement in real data sets
    • propose research to address or remedy uncertainty
    • construct an evidence-based argument for the management of a rare taxon
  • A crossbill feeds on a pinecone

    Coevolution or not? Crossbills, squirrels and pinecones

    Learning Objectives
    1. Define coevolution.
    2. Identify types of evidence that would help determine whether two species are currently in a coevolutionary relationship.
    3. Interpret graphs.
    4. Evaluate evidence about whether two species are coevolving and use evidence to make a scientific argument.
    5. Describe what evidence of a coevolutionary relationship might look like.
    6. Distinguish between coadaptation and coevolution.
  • Using the Cell Engineer/Detective Approach to Explore Cell Structure and Function

    Learning Objectives
    Students will be able to:
    • Identify the major cell organelles
    • List the major functions of the organelles
    • Predict how changes in organelle/cell structure could alter cellular function
    • Explain how overall cellular function is dependent upon organelles/cell structure
    • Relate cell structure to everyday contexts
  • Students use plastic Easter eggs and chocolate pieces to simulate the distribution of HIV in T lymphocytes.

    Infectious Chocolate Joy with a Side of Poissonian Statistics: An activity connecting life science students with subtle...

    Learning Objectives
    • Students will define a Poisson distribution.
    • Students will generate a data set on the probability of a T cell being infected with a virus(es).
    • Students will predict the likelihood of one observing the mean value of viruses occurring.
    • Students will evaluate the outcomes of a random process.
    • Students will hypothesize whether a process is Poissonian and design a test for that hypothesis.
    • Students will collect data and create a histogram from their data.
  • Simplified Representation of the Global Carbon Cycle, https://earthobservatory.nasa.gov/Features/CarbonCycle/images/carbon_cycle.jpg

    Promoting Climate Change Literacy for Non-majors: Implementation of an atmospheric carbon dioxide modeling activity as...

    Learning Objectives
    • Students will be able to manipulate and produce data and graphs.
    • Students will be able to design a simple mathematical model of atmospheric CO2 that can be used to make predictions.
    • Students will be able to conduct simulations, analyze, interpret, and draw conclusions about atmospheric CO2 levels from their own computer generated simulated data.
     
  • American coot (Fulica Americana) family at the Cloisters City Park pond in Morrow Bay, CA. "Mike" Michael L. Baird [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons, https://upload.wikimedia.org/wikipedia/commons/d/db/Fulica_americana3.jpg

    Knowing your own: A classroom case study using the scientific method to investigate how birds learn to recognize their...

    Learning Objectives
    • Students will be able to identify and describe the steps of the scientific method.
    • Students will be able to develop hypotheses and predictions.
    • Students will be able to construct and interpret bar graphs based on data and predictions.
    • Students will be able to draw conclusions from data presented in graphical form.
  • Memory Helper is an illustration of a made up dietary supplement. Because the supplement is named Memory Helper, and because a picture of a brain is placed on the label, consumers might believe that the supplement is a memory aid. We add the footnote “tested?” to suggest that consumers should take a closer look.

    Bad Science: Exploring the unethical research behind a putative memory supplement

    Learning Objectives
    Students will be able to:
    • create criteria for evaluating information that is touted as scientific.
    • apply those criteria to evaluate the claim that Prevagen® enhances memory.
    • identify the misleading tactics used on the Prevagen® website and in their self-published reporting.
    • decide whether to recommend taking Prevagen® and explain their decisions.
  • Modeling the Research Process: Authentic human physiology research in a large non-majors course

    Learning Objectives
    Students will be able to:
    • Read current scientific literature
    • Formulate testable hypotheses
    • Design an experimental procedure to test their hypothesis
    • Make scientific observations
    • Analyze and interpret data
    • Communicate results visually and orally
  • Dilution and Pipetting Lesson Using Food Dyes

    Learning Objectives
    • Students can use the formula c1v1=c2v2 to calculate dilutions.
    • Students can accurately set and use a micropipette.
    • Students are able to prepare complex solutions such as enzyme reactions.

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