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Meiosis: A Play in Three Acts, Starring DNA SequenceLearning Objectives
- Students will be able to identify sister chromatids and homologous chromosomes at different stages of meiosis.
- Students will be able to identify haploid and diploid cells, whether or not the chromosomes are replicated.
- Students will be able to explain why homologous chromosomes must pair during meiosis.
- Students will be able to relate DNA sequence similarity to chromosomal structures.
- Students will be able to identify crossing over as the key to proper pairing of homologous chromosomes during meiosis.
- Students will be able to predict the outcomes of meiosis for a particular individual or cell.
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
Lights, Camera, Acting Transport! Using role-play to teach membrane transportLearning ObjectivesAt the end of this activity, students should be able to:
- Compare and contrast the mechanisms of simple diffusion, facilitated diffusion, and active transport (both primary and secondary).
- Identify, and provide a rationale for, the mechanism(s) by which various substances cross the plasma membrane.
- Describe the steps involved in the transport of ions by the Na+/K+ pump, and explain the importance of electrogenic pumps to the generation and maintenance of membrane potentials.
- Explain the function of electrochemical gradients as potential energy sources specifically used in secondary active transport.
- Relate each molecule or ion transported by the Na+/glucose cotransporter (SGLT1) to its own concentration or electrochemical gradient, and describe which molecules travel with and against these gradients.