which choice is a chemical messenger that can directly influence gene expression? a. nonsteroid hormone b. steroid hormone c. ATP d. cAMP

asked May 21, 2016 127k views

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by Irshu

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3 votes

B. Steroid hormone

This is because most hormones are steroids, that send long distance signaling throughout your body.

Erik Eidt answered May 28, 2016

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