Which of the following is a lipophilic primary message that crosses the plasma membrane and interacts with a cytosolic receptor?
A)estrogen
B)EGF
C)pertussis toxin
D)TGFβ
E)PDGF

Question

Quizplus · Accepted Answer

Estrogen is a steroid hormone that is lipophilic, allowing it to easily cross the plasma membrane and interact with cytosolic or nuclear receptors, unlike peptide hormones and growth factors which typically bind to cell surface receptors.

Which of the Following Is a Lipophilic Primary Message That