Multiple Choice
What is the most likely mechanism by which testosterone functions inside a cell?
A) It acts as a signal receptor that activates tyrosine kinases.
B) It binds with a receptor protein that enters the nucleus and activates expression of specific genes.
C) It acts as a steroid signal receptor that activates ion channel proteins in the plasma membrane.
D) It coordinates a phosphorylation cascade that reduces spermatogenesis.
Correct Answer:
Verified
Correct Answer:
Verified
Q14: Which of the following amino acids are
Q15: Why does testosterone, a lipid-soluble signaling molecule
Q16: Sutherland discovered that the signaling molecule epinephrine
Q17: Particular receptor tyrosine kinases (RTKs) that promote
Q18: Consider this pathway:<br>Epinephrine → G protein-coupled receptor
Q20: Many G protein-coupled receptors contain seven transmembrane
Q21: Which of the following provides the best
Q23: Which of the following is a type
Q24: The activation of receptor tyrosine kinases is
Q42: An inhibitor of which of the following