A hormone that initiates changes in target cells that lead to some effects is referred to as a _______.
A) second messenger
B) transporter
C) first messenger
D) hypersecreter

Question

Quizplus · Accepted Answer

A hormone that initiates changes in target cells is referred to as a first messenger. Second messenger is a molecule that is released inside the cell as a result of the binding of a hormone to its receptor. A transporter is a protein that helps in the movement of molecules across the cell membrane. Hypersecreter is not a scientific term associated with hormones.

A Hormone That Initiates Changes in Target Cells That Lead