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Biology, 27.01.2020 22:31 hiiiiiiiiiiiii7032

2points
what must occur for a message to be sent from the outside of the cell to
inside the cell?

a. a small, nonpolar molecule crosses the membrane.

b. enzymes inside the cell catalyze a reaction.

c. a signaling molecule binds with a membrane protein.

d. transport proteins form a channel for a large molecule.

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what must occur for a message to be sent from the outside of the cell to
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