16. The Endocrine System
Membrane Bound Receptors and Secondary Messengers
Multiple Choice
Multiple ChoiceYou are studying how a hormone affects a cell and find that when oxytocin binds the receptor, the intracellular Ca2+ concentration increases. Based on this information, what could you logically conclude about this cell and hormone?
A
The cell uses adenylate cyclase as a second messenger.
B
Oxytocin directly interacts with the DNA of the cell.
C
The cell uses IP3 and DAG as secondary messengers.
D
Both A & B are correct.
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