In a Cell with β-Adrenergic Receptors Coupled to the CAMP

question 2

Multiple Choice

In a cell with β-adrenergic receptors coupled to the cAMP second messenger system, what would happen to that signaling pathway if you added forskolin?

• A) This would make β-adrenergic receptor activation using the cAMP pathway irreversible.
• B) This would make β-adrenergic receptor activation of adenylate cylase last longer.
• C) This would have no effects on β-adrenergic receptor signaling using the cAMP pathway.
• D) This would mimic that activation of the PIP2 pathway.
• E) This would mimic the signaling pathway, causing the same effect as activation of the β-adrenergic receptor.

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