All are unifying features of polypeptide hormones EXCEPT that they are:
A) originally synthesized with signal sequences.
B) synthesized as inactive preprohormones.
C) activated from preprohormones to hormones by phosphorylation.
D) may produce several different peptide hormones with suitable processing.
E) all are true.

Question

Quizplus · Accepted Answer

Polypeptide hormones are synthesized as inactive preprohormones, but they are activated to hormones by proteolytic cleavage, not phosphorylation. The other options are all true unifying features of polypeptide hormones.

All Are Unifying Features of Polypeptide Hormones EXCEPT That They