Why the surface of motor end plate of skeletal muscle are NOT smooth?

The axons that innervate smooth muscle fibers do not have typical branching end feet of the type in the motor end plate on skeletal muscle fibers. ... In the varicosities are vesi-cles similar to those in the skeletal muscle end plate that contain transmitter substance.

Explanation:

Hey mate, here's your answer...

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

i am going to guess that it is co2.