Question 5 (1 point) f AMP stimulates the rate of phosphofructokinase (PFK) abov

Question

Question 5 (1 point) f AMP stimulates the rate of phosphofructokinase (PFK) above the rate of pyruvate kinase, which of the following explains how the rate of PFK is reestablished as the rate of glycolysis. (choose all that apply from the list below) Rising concentration of fructose 1,6 bisphosphate in the cytosol stimulates the ) rate of PK Rising cellular AMP concentration inhibits the rate of pyruvate kinase more 2) than PFK fo Item Rising cellular AMP concentration stimulates the rate of pyruvate kinase more 3) than PFK If PFK is slower than PK rate, fructose 1,6 bis phosphate concentration 4) accumulates in the cytosol Save

Explanation / Answer

5. The glycolytic pathway, is regulated by concentration of sugar (glucose), certain enzymes, some products formed during the pathway itself, hormones (insulin/glucagon), ATP/ADP/AMP,

Fructose-6-phosphate to Fructose 1,6-bisphosphate.

Phosphoenolpyruvate (PEP) to Pyruvate.

Answer: Options1 and 2.

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