How Do Positive Regulators Stimulate Initiation of Transcription by RNA

question 7

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

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Definitions:

Atypical

Deviating from what is usual or normal; not typical.

Peripartum Onset

Subtype of major depressive or manic episode used when the episode occurs during pregnancy or in the 4 weeks after childbirth.

Melancholic Features

Characteristics of depression that include profound sadness, despair, and a lack of pleasure in all or almost all activities.

Atypical Features

Refers to a subtype of depression or mood disorders that have specific characteristics not usually found in typical presentations, such as mood reactivity.