Question

Which of the following is false?

(a) Allosteric modulators may be inhibitory or stimulatory

(b) Based on the nature of modulator, allosteric enzymes are of two types

(c) Homotropic allosteric enzymes have the substrate and modulator same

(d) Heterotropic allosteric enzymes have the substrate and modulator same

The question was posed to me at a job interview.

This intriguing question comes from Regulatory Enzymes topic in division Enzymes, Carbohydrates and Gycobiology of Biochemistry

Answer 1

Right option is (d) Heterotropic allosteric enzymes have the substrate and modulator same

The explanation: In case of heterotropic enzymes both substrate and modulator are different.