How Do Positive Regulators Stimulate Initiation of Transcription by RNA

question 49

Multiple Choice

How do positive regulators stimulate initiation of transcription by RNA polymerase?

• A) by allowing passage of the polymerase through the operator
• B) by binding to the polymerase and increasing its ability to initiate transcription
• C) by causing the helix to unwind in the operator allowing easier initiation
• D) by making the transcription start site more exposed to the polymerase
• E) by accelerating alpha helix formation

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Definitions:

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Additional sales generated by a new action or decision, beyond what would have been sold without it.

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Expenses that a company pays out in cash during the operating cycle, excluding non-cash expenses like depreciation.

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A technique for determining an asset's depreciation by uniformly distributing its cost throughout its lifespan.