Multiple Choice
One inhibitor of cGMP is Viagra. It provides a signal that leads to dilation of blood vessels and increase of blood in the penis, facilitating erection. Since cGMP is inhibited, the signal is prolonged. The original signal that is now inhibited would have
A) hydrolyzed cGMP to GMP.
B) hydrolyzed GTP to GDP.
C) phosphorylated GDP.
D) dephosphorylated cGMP.
E) removed GMP from the cell.
Correct Answer:

Verified
Correct Answer:
Verified
Q54: What is most likely to happen to
Q55: If a pharmaceutical company wished to design
Q56: Of the following, a receptor protein in
Q57: GTPase activity is involved in the regulation
Q58: Lipid-soluble signaling molecules, such as testosterone, cross
Q60: Use this information to respond to the
Q61: Use this information to answer the following
Q62: Use this description to answer the following
Q63: The function of phosphatases in signal transduction
Q64: An inhibitor of phosphodiesterase activity would have