A mutation in the gene for hormone A causes it to be unable to bind to its receptor protein. What do you predict will happen?
A)The receptor protein will not be activated and therefore will not initiate a signal transduction pathway.
B)The receptor protein will change shape in order to bind with hormone A.
C)The water-soluble hormone molecule will not be able to pass through the phospholipid bilayer.
D)The water-soluble hormone molecule will not be able to pass through the interstitial fluid.

Question

Quizplus · Accepted Answer

Since the hormone A cannot bind to its receptor protein, the receptor protein will not be activated and therefore will not initiate a signal transduction pathway. This means the cell will not respond to the presence of the hormone in the extracellular environment.

A Mutation in the Gene for Hormone a Causes It