Ineed answers asap which of the following must be true of the structures of axons and muscle cells in order for nerve impulse to stimulate muscle contraction

The one that is true about the structures of axons and muscle cells in order for nerve impulses to stimulate muscle contraction is : C. Axon must have structures that make and secrete molecules, and muscle cells must have receptors that recognize these molecules.

and beside that, our muscle has the ability to bind that signaling molecule

fmr1 gene that can lead to fragile x-associated disorders.

explanation:

usually her father was the one that controlled it after the death of the husband