After the activation of a G-protein, the sequence of signaling events consists of:
a. substrate protein, protein kinase, second messenger, effector enzyme.
b. effector enzyme, second messenger, protein kinase, substrate protein.
c. second messenger, effector enzyme, protein kinase substrate protein.
d. effector enzyme, protein kinase, second messenger, substrate protein.
The steps in pharmacokinetics normally occur in what sequence?
a. Absorption, distribution, metabolism, elimination
b. Distribution, elimination, metabolism, absorption
c. Absoprtion, metabolism, elimination, distribution
d. Elimination, distribution, metabolism, absorption