Hexokinase is an enzyme that binds specifically to glucose and converts it into glucose 6-phosphate. The activity of hexokinase is suppressed by glucose 6-phosphate, which binds to hexokinase at a location that is distinct from the active site. This is an example of what?
A. cofactor binding
B. competitive inhibition
C. allosteric activation
D. feedback inhibition
Answer: D
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