Both glucose and appropriate enzymes are necessary for the process of glycolysis to begin. Which additional compound must also be present?
Correct answer: B. ATP
- A. Acetylcoenzyme A
- B. ATP
- C. Pyruvate
- D. Reduced NAD
Explanation
ATP is crucial for glycolysis as it provides the initial energy required to phosphorylate glucose, allowing the process to proceed. This initial investment is necessary for the breakdown of glucose into pyruvate.
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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