The mechanism of action of T3 is to
A) Phosphorylate discrete sets of proteins
B) Regulate the insertion of proteins into cell membranes
C) Selectively regulate degradation of certain proteins
D) Regulate gene expression through binding of thyroid receptors to thyroid response elements
E) Regulate gene expression through JAK-STAT pathways

Question

Quizplus · Accepted Answer

T3 (triiodothyronine) regulates gene expression by binding to thyroid hormone receptors, which then bind to thyroid response elements in the DNA, modulating the transcription of target genes.

The Mechanism of Action of T3 Is to