Question

Why protein hormone require secondary messenger

Answer 1

Hi dear here is ur answer ✌✌

The cell releases second messenger molecules in response to exposure to extracellular signaling molecules—the first messengers. First messengers are extracellular factors, often hormones or neurotransmitters, such as epinephrine, growth hormone, and serotonin.

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# JAI HIND

Answer 2

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