Complete Oxidation of Glucose to CO₂ involves Two Different Mechanisms

question 113

Multiple Choice

Complete oxidation of glucose to CO₂ involves two different mechanisms for synthesizing ATP: oxidative phosphorylation and substrate-level phosphorylation. Which is TRUE of substrate-level phosphorylation?

• A)An enzyme catalyzes the transfer of a phosphate group to ADP from an organic molecule to form ATP.
• B)Most of the ATP generated in cellular respiration is generated by substrate-level phosphorylation.
• C)ATP is generated indirectly through the transfer of high-energy electrons from electron carriers to an electron transport chain.
• D)ATP is generated by release of energy from the electron carriers NADH and FADH₂.

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