Glycolysis
Which of the following regulates glycolysis steps?

Pyruvate kinase
Hexose kinase
Phosphofructokinase
All of these

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Glycolysis
Which of the following is not true of glycolysis?

The pathway oxidizes two moles of NADH to NAD+ for each mole of glucose that enters
The pathway requires two moles of ATP to get started catabo-lizing each mole of glucose
The pathway does not require oxygen
ADP is phosphorylated to ATP via substrate level phosphorylation

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Glycolysis
A kinase is an enzyme that

uses ATP to add a phosphate group to the substrate
removes water from a double bond
removes phosphate groups of substrates
uses NADH to change the oxidation state of the substrate

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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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