Glycolysis
Why does the glycolytic pathway continue in the direction of glucose catabolism?

High levels of ATP keep the pathway going in a forward direction
The enzymes of glycolysis only function in one direction
There are essentially three irreversible reactions that act as the driving force for the pathway
Glycolysis occurs in either direction

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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?

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

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