Rapidly acting chemical regulators generally
A)Bind to receptor proteins in the nucleus of target cells
B)Are polar
C)Activate plasma-membrane-associated receptors
D)Both bind to receptor proteins in the nucleus of target cells and are polar are correct
E)Both are polar and activate plasma-membrane-associated receptors are correct

Question

Quizplus · Accepted Answer

Rapidly acting chemical regulators are typically polar, allowing them to travel easily in the bloodstream, and they activate plasma-membrane-associated receptors because they cannot easily cross the cell membrane to reach intracellular receptors.

Rapidly Acting Chemical Regulators Generally