NPTE Physical Therapist Exam Review

Category - Physical Therapy

What is the energy yield of the process of glycolysis when glycogen is the source?
  1. 2 molecules of ATP
  2. 3 molecules of ATP
  3. 6 molecules of ATP
  4. 8 molecules of ATP
Explanation
Answer: B - The energy yield of the process of glycolysis when glycogen is the source is 3 molecules of ATP. This process yields one more molecule than if glucose were the source because using glycogen allows the process to bypass the phosphorylating reaction, which uses up one of the ATP molecules.
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