The conversion of glyceraldehyde 3-phosphate to 1,3 bisphosphoglycerate in step 6 of glycolysis generates a "high energy"phosphoanhydride bond. Which of the following best describes what happens to that bond in step 7?
(a) It is hydrolyzed to drive the formation of ATP.
(b) It is hydrolyzed to drive the formation of NADH.
(c) It is hydrolyzed to generate pyruvate.
(d) It is oxidized to CO2.
13-13
Steps 7 and 10 of glycolysis result in substrate-level phosphorylation. Which of the following best describes this process?
(a) ATP is being hydrolyzed to phosphorylate the substrate.
(b) The energy derived from substrate oxidation is coupled to the conversion of ADP to ATP.
(c) Two successive phosphates are transferred, first to AMP, then to ADP, finally forming ATP.
(d) The substrate is hydrolyzed using ATP as an energy source.
(a)
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What will be an ideal response?
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What will be an ideal response?