Glycolysis
Which of the following regulates glycolysis steps?

All of these
Pyruvate kinase
Phosphofructokinase
Hexose kinase

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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?

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

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