Which of the following statements correctly differentiates heterotrophic and homotrophic allosteric effectors?

• A. Heterotrophic effectors affect enzyme activity on different molecules, while homotrophic effectors affect enzyme activity on the same molecule.
• B. Both heterotrophic and homotrophic effectors affect enzyme activity on different molecules.
• C. Heterotrophic effectors affect enzyme activity on the same molecule, while homotrophic effectors affect enzyme activity on different molecules.
• D. Both heterotrophic and homotrophic effectors affect enzyme activity on the same molecule.

Answer: (A)