What is competitive inhibition of enzymes?
A. It is when a molecule similar in structure to the substrate competes with the substrate for access to the active site of the enzyme, thereby inhibiting the enzyme’s activity.
B. It is when an enzyme and substrate do not interact at all
C. It is when an enzyme enhances the activity of a substrate
D. It is when an enzyme is completely deactivated by a substrate
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How do enzymes speed up chemical reactions in the body?
A. By changing the pH of the body
B. By inhibiting the chemical reactions
C. By increasing the activation energy
D. By lowering the activation energy
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