Question

The muscle relaxes if no new nerve signal arrives. However, the neurotransmitter from the previous stimulation is still present in the synapse. The activity of .......... helps to remove this neurotransmitter.

• A. Myosin
• B. Action potential
• C. Tropomyosin
• D. Acetylcholinesterase

Answer 1

The correct option is D Acetylcholinesterase

Acetylcholinesterase, also known as AChE or acetylhydrolase, It is an enzyme that catalyzes the breakdown of acetylcholine and of some other choline esters that function as neurotransmitters.

So the correct option is 'Acetylcholinesterase'.