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A chemical that binds to a cell and causes its activity to change is an example of which element of cellular communication?.
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A chemical that binds to a cell and causes its activity to change is an example of which element of cellular communication?.

User Stebooks
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answer : a signaling molecule

explanation: (answer choices)

A. a signaling cell
B. a receptor molecule
C. None of these choices are correct.
D. a signaling molecule
E. a responding cell
User Glen Scales
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