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The majority of ATP in cellular respiration comes from which step?

Answers:

A. glycolysis

B. pyruvate oxidation

C. citric acid cycle

D. oxidative phosphorylation

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Patrina Schowalter
Patrina SchowalterLv2
28 Sep 2019
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Related questions

Which of the following accurately describe difference(s) between oxidative phosphorylation and substrate-level phosphorylation during aerobic respiration in eukaryotes?

a.

Oxidative phosphorylation relies on energy initially derived from redox reactions to power ATP synthase, and substrate-level phosphorylation relies on enzymatic reactions to phosphorylate ADP.
b.

Oxidative phosphorylation takes place in the inner mitochondrial membrane and substrate-level phosphorylation only occurs in the cytosol.
c.

Oxidative phosphorylation uses oxygen as a substrate and substrate-level phosphorylation uses phosphate.
d.

Oxidative phosphorylation takes place during glycolysis and the electron transport chain and substrate-level phosphorylation occurs during the citric acid cycle and chemiosmosis.
e.

Oxidative phosphorylation produces less ATP than substrate-level phosphorylation.

State the 5 (I-V) steps in cellular respiration, from glycolysis to ATP synthesis by oxidative phosphorylation. Briefly describe each step, where each occurs in a eukaryotic cell.

What would be the effect of the following on glycolysis, fermentation, citric acid cycle, oxidative phosphorylation, reduction of oxygen, transport of molecules across inner mitochondrial membrane and so forth?

A loss of function mutation in pyruvate dehydrogenase

A block in step 7 of glycolysis

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