The Term Down-Regulation Refers to the Process by Which

Multiple Choice

The term down-regulation refers to the process by which

A) a glandular cell decreases the amount of hormone it secretes.
B) a large amount of hormone shuts down all metabolic activity in a target cell.
C) a cell decreases the number of receptors it has for a hormone.
D) a carrier protein increases the rate of degradation for a hormone and thereby decreases its blood concentration.
E) a carrier protein decreases the rate of degradation of the protein it ferries.