Glycolysis
The active form of glycogen phosphorylase is phosphorylated, while the dephosphorylation of which active form occurs?

Glycogen semisynthase
Glycogen synthase
Glycogen dehydrogenase
Glycogen hydrolase

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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?

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

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