When Norepinephrine Binds to Adrenergic Receptors

question 97

Multiple Choice

When norepinephrine binds to adrenergic receptors,

• A) Na⁺ channels open.
• B) Ca²⁺ channels open.
• C) adrenaline is released.
• D) G proteins mediate the cell's response.
• E) Na⁺ channels are closed.

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