Acetylcholine Is a Neurotransmitter That Initiates Muscle Contraction

question 27

Multiple Choice

Acetylcholine is a neurotransmitter that initiates muscle contraction.In order for muscle to relax after contraction, acetylcholine must be broken down into choline and acetate by the enzyme acetylcholinesterase.Nerve agents such as Sarin inhibit acetylcholinesterase by permanently covalently bonding to a serine amino acid in the active site of the enzyme, causing muscle paralysis.What type of inhibitor is Sarin?

• A) a competitive, reversible inhibitor
• B) a noncompetitive, reversible inhibitor
• C) a competitive, irreversible inhibitor
• D) a noncompetitive, irreversible inhibitor
• E) Sarin is not an inhibitor.

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Definitions:

Process Innovation

The adoption of a novel or substantially enhanced method for producing or distributing offerings in business processes.

Assembly Method

A process in manufacturing where parts are put together to make a final product.

Marginal-Utility-To-Price Ratio

The comparison of the additional satisfaction obtained from consuming one more unit of a good to its cost.

Marginal Utility

The incremental pleasure or value received from consuming one more unit of a good or service.