Question

Which among both statements is true?
A. At neuromuscular junction muscle fibers release acetylcholine.
B. Receptors of acetylcholine are found on sarcolemma

Answer 1

Answer:

The correct answer is option B.

Explanation:

Motor neurons secrets a chemical messenger acetylcholine (ACh), a neurotransmitter, which diffuses through the synaptic cleft and bind or adhere to nicotinic acetylcholine receptors present on the surface of cell membrane which is called sarcolemma.

Acetylcholine receptors are present on the surface of muscle cells (sarcolemma).

Thus, thee correct answer is option B.