Which of the Following DNA-Binding Motifs Common to Many Prokaryotic

question 36

Multiple Choice

Which of the following DNA-binding motifs common to many prokaryotic regulatory proteins is the lac repressor an example of?

• A)a homeobox
• B)a zinc finger
• C)a basic region-leucine finger
• D)a helix-turn-helix

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Definitions:

Conscious

Having the awareness and capability to contemplate one's own life, perceptions, ideas, and everything around oneself.

Preconscious

Refers to thoughts or feelings that are not immediately in one's conscious awareness but can be easily accessed.

Defence Mechanism

Unconscious mental tactics employed to shield oneself from the distress caused by thoughts or feelings that are deemed unacceptable.

Rationalization

A defense mechanism in which controversial behaviors or feelings are justified and explained in a seemingly rational or logical manner to avoid the true explanation.