Peptide hormones
A)are synthesized from modified cholesterol molecules
B)are typically not bound to plasma proteins in the blood
C)bind to intracellular receptors at their target cells
D)typically activate genes to cause the synthesis of new protein molecules
E)have characteristics c and d

Question

Quizplus · Accepted Answer

Peptide hormones are water-soluble and typically circulate freely in the blood without being bound to plasma proteins. They bind to cell surface receptors, not intracellular receptors, and do not directly activate genes.

Peptide Hormones