Arrange the Events of a Second Messenger System in the Correct

question 9

Multiple Choice

Arrange the events of a second messenger system in the correct order.
1) Protein kinase is activated.
2) G protein is activated.
3) The neurotransmitter binds to its receptor.
4) The protein closes the potassium channel.
5) Cyclic AMP is produced.
6) Phosphorylation takes place.

• A) 1 → 2 → 5 → 6 → 4 → 3
• B) 3 → 5 → 6 → 1 → 2 → 4
• C) 5 → 2 → 6 → 1 → 3 → 4
• D) 3 → 2 → 5 → 1 → 6 → 4
• E) 5 → 2 → 6 → 1 → 4 → 3

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