Cellular Respiration Stages

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Questions and Answers

Which process involves the conversion of most sugars, fatty acids, glycerol, and several amino acids into acetyl CoA?

  • Oxidative phosphorylation
  • The second stage (correct)
  • Digestion
  • The citric acid cycle

What is the main function of the first stage in the generation of energy from food?

  • Oxidize acetyl CoA to produce ATP
  • Capture useful energy
  • Convert small molecules into acetyl CoA
  • Break down large molecules into smaller units (correct)

What is the final common pathway in the oxidation of fuel molecules?

  • Oxidative phosphorylation
  • Digestion
  • The citric acid cycle (correct)
  • Conversion into acetyl CoA

Which stage captures the most useful energy in the generation of energy from food?

<p>Third stage (A)</p> Signup and view all the answers

What is the activated two-carbon unit that is the fuel for the final stages of aerobic metabolism?

<p>Acetyl CoA (A)</p> Signup and view all the answers

Which molecules are completely oxidized to CO2 in the citric acid cycle?

<p>Acetyl CoA (A)</p> Signup and view all the answers

What is the primary function of oxidative phosphorylation?

<p>Produce ATP from the complete oxidation of acetyl CoA (D)</p> Signup and view all the answers

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