Which of the following must be true about the structures of axons and muscle cells in order for nerve impulses to stimulate muscle contraction?

Question

a- Axons and muscle cells must both have structures that make and secrete the same small molecules.
b- axons and muscle cells must both have receptors that recognize the same small molecules.
c- Axons must have structures that make and secrete molecules, and muscle cells must have receptors that recognize these molecules.
d-Muscle cells must have structures that make and secrete molecules, and axons must have receptors that recognize these molecules.

B?

Answer 1

Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

See your last post.

Answer 2

Really people, just answer the question!

Answer 3

answer it plz

Answer 4

I'm guessing it's B

Answer 5

I am pretty sure it is B..
That answer makes the most sense to me!
BUT
I wish they would have just given the answer! I really need help on this test

Answer 6

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