In Order for the Helix-Turn-Helix Motif to Bind to DNA

question 45

Multiple Choice

In order for the helix-turn-helix motif to bind to DNA, the ________ must fit into the major groove of the DNA.

• A) homeotic switches
• B) recognition helix
• C) operator
• D) zinc fingers

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Definitions:

Labile

Describes emotions that are easily altered or that fluctuate frequently and intensely, often seen in certain mood disorders.

Euphoric

A state of intense happiness and excitement.

Lithium

A mood-stabilizing drug commonly used to treat bipolar disorder and prevent episodes of mania and depression.

Maintain Normal

Refers to keeping or continuing usual or expected conditions, often concerning health, environment, or operations.