Question

what are regulatory enzyme and modulator​

Answer 1

Answer:

A homotropic allosteric modulator is a substrate for its target enzyme, as well as a regulatory molecule of the enzyme's activity. It is typically an activator of the enzyme. For example, O2 and CO are homotropic allosteric modulators of hemoglobin.

Answer 2

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• An activator is often the substrate itself, and regulatory enzymes for which substrate and modulator are identical are called homotropic. When themodulator is a molecule other than the substrate the enzyme is heterotropic. Some enzymes have two or moremodulators.