Which of the following is true during a typical cAMP-type signal transduction event?

A) The second messenger is the last part of the system to be activated.
B) The hormone activates the second messenger by directly binding to it.
C) The second messenger amplifies the hormonal response by attracting more hormones to the cell being affected.
D) Adenylyl cyclase is activated after the hormone binds to the cell and before phosphorylation of proteins occurs.


D

Biology & Microbiology

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