Glycolysis
Phosphofructokinase, the major flux-controlling enzyme of glycolysis is allosterically inhibited and activated respectively by

AMP and Pi
ATP and PEP
ATP and ADP
Citrate and ATP

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Glycolysis
Which of the following is not a mechanism for altering the flux of metabolites through the rate-determining step of a pathway?

Covalent modification of the enzyme
Diffusional coupling between adjacent active sites
Allosteric control of the enzyme activity
Genetic control of the enzyme concentration

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Glycolysis
In glycolysis, ATP is formed by the transfer of a high-energy phosphate from 1,3-bisphosphoglycerate to ADR No such high-energy phosphate donor has ever been isolated in mitochondria because

None of these
the techniques for isolating the phosphate donor are not refined enough
no such phosphate donor exists
the high-energy phosphate donor is very short-lived and difficult to isolate

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