The steroid hormone aldosterone affects only a small number of cells in the body because ________.
A) only target cells are exposed to aldosterone
B) only target cells contain aldosterone receptors
C) aldosterone is unable to enter nontarget cells
D) nontarget cells destroy aldosterone before it can produce any effect

Question

Quizplus · Accepted Answer

Aldosterone affects only a small number of cells in the body because only target cells contain aldosterone receptors. This means that these cells have the necessary proteins to bind to aldosterone and initiate a response, while other cells without these receptors are not affected.

The Steroid Hormone Aldosterone Affects Only a Small Number of Cells