Question

Hexokinase, phosphofructokinase and pyruvate kinase are each subject to ________ control.

Answer 1

Hexokinase, phosphofructokinase and pyruvate kinase are each subject to Allosteric control.

What is significant about the enzymes phosphofructokinase and hexokinase?

• The following key aspects of glycolysis are covered: Using the power of ATP, an enzyme known as hexokinase converts glucose into glucose-6-phosphate by adding a phosphate group.
• Similar to this, an enzyme known as phosphofructokinase uses ATP to modify fructose-6-phosphate into fructose-1,6-diphosphate by adding a phosphate group.

Allosteric Enzyme -

An allosteric enzyme is an enzyme that contains a region to which small, regulatory molecules ("effectors") may bind in addition to and separate from the substrate binding site and thereby affect the catalytic activity.

What is a allosteric effect?

The binding of a ligand to one site on a protein molecule in such a way that the properties of another site on the same protein are affected.

Learn more about Allosteric Enzyme

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