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 in the cytoplasm that binds to a specific substrate.
B)RNA specifying the amino acids in a polypeptide.
C)a particular metabolic pathway operating within a specific organelle.
D)an enzyme with an optimum pH and temperature for activity.
E)genes making up a chromosome.

Question

Quizplus · Accepted Answer

Both a receptor protein and an allosteric enzyme have a specific site that binds to a specific molecule, with the binding causing a change in shape or activity of the protein. Additionally, they both play a role in cell signaling and regulation.

Of the Following, a Receptor Protein in a Membrane That