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BartSMP [9]
4 years ago
13

Phosphofructokinase is an allosteric enzyme that catalyzes the conversion of fructose 6-phosphate to fructose 1,6-bisphosphate,

an early step of glycolysis. In the presence of oxygen, an increase in the amount of ATP in a cell would be expected to

Biology
1 answer:
s2008m [1.1K]4 years ago
4 0

Answer:

Phosphofructokinase is an allosteric enzyme that catalyzes the conversion of fructose 6-phosphate to fructose 1,6-bisphosphate, an early step of glycolysis. In the presence of oxygen, an increase in the amount of ATP in a cell would be expected to  <u>inhibit the enzyme and thus increase the rates of glycolysis and the citric acid cycle</u>

Explanation:

Phosphofructokinase is also a regulatory enzyme of glycolysis. It is inhibited allosterically by elevated levels of ATP, which act as an energy-rich signal indicating an abundance of high-energy compounds.

Elevated levels of citrates also inhibits it.

While it is allosterically activated by AMP, which signals that the nergy stores are depleted.

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