Can someone explain the answer to this ptoblem and why binding would not activate the enzyme?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Can someone explain the answer to this ptoblem and why binding would not activate the enzyme?

Part A
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
activate the enzyme and thus slow the rates of glycolysis and the citric acid cycle.
inhibit the enzyme and thus increase the rate of glycolysis and the concentration of citrate.
activate the enzyme and increase the rates of glycolysis and the citric acid cycle.
inhibit the enzyme and thus increase the rates of glycolysis and the citric acid cycle.
inhibit the enzyme and thus slow the rates of glycolysis and the citric acid cycle.
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Transcribed Image Text:Part A 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 activate the enzyme and thus slow the rates of glycolysis and the citric acid cycle. inhibit the enzyme and thus increase the rate of glycolysis and the concentration of citrate. activate the enzyme and increase the rates of glycolysis and the citric acid cycle. inhibit the enzyme and thus increase the rates of glycolysis and the citric acid cycle. inhibit the enzyme and thus slow the rates of glycolysis and the citric acid cycle. Submit Previous Answers Correct Doorcon
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