Question
Which of the following is not a second messenger? (a) hormone-receptor complex (b) calcium ions (c) inositol trisphosphate (IP3) (d) cyclic AMP (e) diacylglycerol (DAG)
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A second messenger is a molecule that relays signals received at receptors on the cell surface. These signals are triggered by the binding of a signaling molecule, such as a hormone or neurotransmitter, to a specific receptor on the cell surface. The second Show more…
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