Nonpolar hormones pass through the plasma membranes of intestinal epithelial cells without being digested and therefore can be taken orally as pills.Because of this fact,which of the following are available as oral pills for human consumption?
A)insulin and growth hormone
B)thyroid hormone and steroid hormones
C)calcitonin
D)insulin,growth hormone,and steroid hormones
E)calcitonin,growth hormone,and thyroid hormone

Question

Quizplus · Accepted Answer

Nonpolar hormones like thyroid hormone and steroid hormones can pass through the plasma membranes of intestinal epithelial cells without being digested and therefore can be taken orally as pills. Insulin and growth hormone are polar hormones and cannot be taken orally as pills. Calcitonin is also a polar hormone and cannot be taken orally as pills.

Nonpolar Hormones Pass Through the Plasma Membranes of Intestinal Epithelial