Question

Nerve gas (DFP) inhibits neurotransmission as it reacts with

• A. Serine of acetylcholine-esterase.
• B. Choline of acetylcholine-esterase.
• C. Acetylcholine.
• D. Noradrenaline.

Answer 1

Answer: (A)

Serine of acetylcholine-esterase.

Nerve gas attacks the nervous system of the human body. All such gases function in the same way, it inhibits the enzyme acetylcholine esterase by reacting with the active site of serine, and is responsible for the breakdown of the acetylcholine in the synapse.

So, the correct answer is A.