True or false. If it is false, please explain why. 1. Phosphatases remove phosph

Question

True or false. If it is false, please explain why.

1. Phosphatases remove phosphates from their substrate by phosphorolysis, while kinases add phosphates to their substrates by phosphoryl transfer from ATP.

2. Control of carbon flux through the glycolytic pathway occurs through the regulation of enzymes that catalyze reactions with large free energy drops.

3. Different kinases phosphorylate the enzymes glycogen phosphorylase and glycogen synthase to maximize their activity.

4. glycogen provides a tyrosine residue for initiating glycogen chains.

Explanation / Answer

1. true

2.true

3. true

4. False; Glycogenin provides tyr residue for initiating glycogen chain.

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