The Primary Difference Between Enhancers and Promoter-Proximal Elements Is That

question 35

Multiple Choice

The primary difference between enhancers and promoter-proximal elements is that enhancers ________.

• A) are transcription factors; promoter-proximal elements are DNA sequences
• B) enhance transcription; promoter-proximal elements inhibit transcription
• C) are part of the promoter; promoter-proximal elements are regulatory sequences distinct from the promoter
• D) are at considerable distances from the promoter; promoter-proximal elements are close to the promoter
• E) are DNA sequences; promoter-proximal elements are proteins

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Definitions:

Expected Gain

The anticipated positive return or benefit from an investment or action, often calculated as an average of possible outcomes.

Negative Return

A loss incurred from an investment where the total costs exceed the total revenues.

Social Impact

The effect of an activity on the social fabric of the community and well-being of individuals and families.

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The amount of energy consumed by business processes or systems, often measured in kilowatt-hours (kWh) or megajoules.