Economists Argue That the Level of Pollution Should Be

question 63

Multiple Choice

Economists argue that the level of pollution should be

• A) reduced completely to zero because by definition, it is a negative external effect.
• B) ignored because it has always been present since the beginning of history.
• C) reduced to the point where the marginal benefit of pollution reduction is equal to the marginal cost of pollution reduction to society.
• D) best determined by elected officials who can speak on behalf of the public.

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Definitions:

Transcribed

The process in which a segment of DNA is copied into RNA by the enzyme RNA polymerase.

End Product

The final product resulting from a process, often after a series of intermediate stages or chemical reactions.

Repressor Protein

A negative regulatory protein that inhibits transcription when bound to DNA; some repressors require a corepressor to be active; some other repressors become inactive when bound to an inducer molecule. Compare with activator protein.

Repressible Genes

Genes whose expression is decreased or halted by the presence of a specific substance, often the end product of the gene's pathway.