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13 May 2019

A) How do enzymes classified as dehydrogenases play a role in redox reactions?

B) How does substrate level phosphorylation mediated by kinase enzymes differ from oxidative phosphorylation?

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Beverley Smith
Beverley SmithLv2
14 May 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.

Erythrocytes do not contain mitochondria. How is ATP produced in these cells? Choose one:

A. Erythrocytes do not require ATP.

B. oxidative phosphorylation

C. de novo nucleotide synthesis

D. substrate-level phosphorylation

What are the three stages of glycolysis? Describe how glucose is activated and how ATP is made from the catalysis of glucose to pyruvate. Be specific as possible. What is substrate phosphorylation? How does it occur? How many ATP are used up? How many produced?

PLEASE include the activity of key enzymes in the response above (aldolase, Glyceraldehyde 3-phosphate dehydrogenase, Phosphoglycerokinase, and Pyruvate kinase)

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