Put the Steps of the Process of Signal Transduction in the Order

question 56

Multiple Choice

Put the steps of the process of signal transduction in the order they occur:
1) A conformational change in the signal-receptor complex activates an enzyme.
2) Protein kinases are activated.
3) A signal molecule binds to a receptor.
4) Target proteins are phosphorylated.
5) Second messenger molecules are released.

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

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