In what way does glucose act as an allosteric inhibitor of glycogen phosphorylase?

• A. Glucose exposes phosphate groups on glycogen phosphorylase, allowing for deactivation.
• B. Glucose binds to glycogen phosphorylase, preventing its activity.
• C. Glucose converts glycogen phosphorylase to its active form.
• D. Glucose phosphorylates glycogen phosphorylase, activating it.

Answer: (A)