Thyroid hormone (a small iodinated amine) enters target cells in a manner similar to _ _.
A) insulin, because insulin is a small peptide
B) growth hormone, because the thyroid works synergistically with thyroid hormone
C) steroid hormones, because both diffuse easily into target cells
D) glucagon, because the structure of glucagon is similar to that of thyroid hormone

Question

Quizplus · Accepted Answer

Thyroid hormones, like steroid hormones, are lipophilic and can diffuse across the cell membrane to enter target cells.

Thyroid Hormone (A Small Iodinated Amine) Enters Target Cells in a Manner