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1. |
The binding of ligands to many GPCRs leads to |
A. | Decrease in concentration of certain intracellular signal molecules called second messengers |
B. | Increase in concentration of certain intracellular signal molecules called second messengers |
C. | Decrease in concentration of certain extracellular signal molecules called first messengers |
D. | Increase in concentration of certain extracellular signal molecules called first messengers |
Answer» B. Increase in concentration of certain intracellular signal molecules called second messengers | |