Of the following, a receptor protein in a membrane that recognizes a chemical signal is most similar to
A) the active site of an allosteric enzyme that binds to a specific substrate.
B) tRNA specifying which amino acids are in a polypeptide.
C) a metabolic pathway operating within a specific organelle.
D) an enzyme having an optimum pH and temperature for activity.
E) an antibody in the immune system.

Question

Quizplus · Accepted Answer

A receptor protein in a membrane that recognizes a chemical signal is analogous to the active site of an allosteric enzyme that binds to a specific substrate as both require a specific molecular fit to bind to their target and initiate a response.

Of the Following, a Receptor Protein in a Membrane That