Steroid hormones ______.
A) trigger a signal transduction pathway when they bind to a receptor
B) bind to mRNA in the cytoplasm to initiate transcription
C) bind to receptors in the cytoplasm or nucleus
D) all of the above

Question

Quizplus · Accepted Answer

Steroid hormones are lipid-soluble molecules that can diffuse across the plasma membrane and bind to receptors in the cytoplasm or nucleus. This binding can initiate gene expression changes without needing to trigger a signal transduction pathway or bind to mRNA in the cytoplasm. Therefore, choice C is the best answer.

Steroid Hormones ______