Unit 2: The Cell Animations   Study Guide

Chapter 9 Cellular Respiration Review
  1. Living organisms require to perform cellular work.
  2. Energy flows into most ecosystems as and leaves as .
  3. Electron transfer drives the transformation of energy and occurs through reactions.
  4. Molecules such as NAD+ and FAD act as electron in redox reactions.
  5. In cellular respiration, redox reactions occur in a series of steps called the transport chain to form .
  6. Cellular respiration comprises three metabolic stages: , acid cycle, and phosphorylation.
    • occurs in the to produce two molecules of from the metabolism of one molecule.
    • The is converted to CoA, which enters the acid cycle.
    • During phosphorylation, NADH and FADH2 donate to the ETC to produce even more ATP.
    Review: Cellular Respiration
  7. In conditions, glycolysis may be followed by .
  8. Other organic molecules such as and can also enter cellular respiration via different pathways.
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