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What is the nature of biological energy?

Topic

Energy is required and transformed in biological systems

Framing Question

What is the nature of biological energy?

Learning Objectives

  • Compare and contrast biologically relevant forms of energy (e.g. kinetic energy versus potential energy, energy stored in bonds versus potential energy of concentration gradients).
  • Identify and explain instances when energy is converted from one form to another.
  • Write a general chemical reaction and the corresponding mathematical expression that approximates its equilibrium constant (Keq).
  • Explain the relationship between equilibrium constants and reaction rate constants
  • Apply knowledge of basic chemical thermodynamics to biologically catalyzed systems.
  • Account for energy changes in the intermediate steps that define a biological process and predict the spontaneity of the overall process or an intermediate step.
  • Explain the properties of biomolecules with high-energy transfer potential that make them suitable as energy currency.

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