Some Insecticides, Such as Chlorpyrifos, Work by Inhibiting the Enzyme

question 9

Multiple Choice

Some insecticides, such as chlorpyrifos, work by inhibiting the enzyme acetylcholinesterase (AChE) , which normally breaks down the neurotransmitter acetylcholine. Where does this insecticide most likely bind to inhibit the enzyme's activity?

• A)Any location on the amino acid chain that forms the AChE enyzme
• B)A sequence of DNA nucleotides that encodes the AChE enzyme protein molecule
• C)It does not need to bind with the enzyme directly
• D)The part of an enzyme that combines with acetlycholine

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Definitions:

Firm

An organization that produces goods or provides services, usually with the aim of making a profit.

Economic Profit

The difference between the total revenue generated by a business and the total costs, including both explicit and implicit costs.

Minimum Return

The lowest expected or required return on an investment over a specified period.

Long Run

A period of time in which all factors of production and costs are variable, allowing for all adjustments to take place in the analysis of economic conditions.