Positive and Negative Transcriptional Regulation Differ in That

question 92

Multiple Choice

Positive and negative transcriptional regulation differ in that:

• A)positive regulation requires that a promoter be present; a promoter is not necessary in negative regulation.
• B)in positive regulation, the binding of a regulatory protein to the DNA is necessary for transcription to occur; in negative regulation, no such protein is necessary.
• C)in positive regulation, the binding of a regulatory protein to the DNA is necessary for transcription to occur; in negative regulation, such binding prevents transcription.
• D)in positive regulation, the absence of a regulatory protein promotes transcription; in negative regulation, the absence of a regulatory protein promotes transcription.
• E)None of the answer options is correct.

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The responsibility for damage or loss of goods during a transaction or while in transit.

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Examination or review of a condition or situation, often for compliance or quality control.