Which Subunit of the E

question 70

Multiple Choice

Which subunit of the E. coli core RNA polymerase a₂bbʹw) contributes to DNA binding?

• A) a
• B) b
• C) bʹ
• D) w

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Definitions:

Competitive Market

A market structure characterized by a large number of buyers and sellers, free entry and exit, and a product for which each supplier's offerings are perfectly substitutable by the consumers.

Profit-Maximizing Rule

A principle stating that firms achieve maximum profit when they produce goods or services to the point where marginal cost equals marginal revenue.

Cost-Minimization Rule

A principle in economics that suggests a firm should produce any given output at the lowest possible cost.

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