7-10 In which of the following steps of glycolysis is ATP required? A) the first

Question

7-10

In which of the following steps of glycolysis is ATP required? A) the first 5 reactions B) the last 5 reactions C) oxidation D) pyruvate formation E) acetyl-CoA formation Which of the following statements regarding glycolysis is/are true? A) A 6-C sugar is broken down to a 3-C product B) Two ATP molecules are consumed C) A net sum of two ATP molecules is generated D) All of the above _____ produces acetyl Co A A) Glycolysis. B) Oxidation. of pyruvate. C) Citric acid cycle. D) Electron transport phosphorylation. E) b and c. In the cyclic reaction sequence called the Krebs cycle, the following chemical events take place except A) the acetyl group is joined with a four carbon molecule, oxaloacetate. B) an isomer of citrate forms. C) electrons generated are used to produce NADH. D) two carbons per cycle are made into CO_2 molecules. E) pyruvate molecules are restored to the cycle.

Explanation / Answer

7) C. Oxidation

8) D. All of the above

9) E. both B and C

10) Pyruvate molecules are restored to the cycle

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