Which of the Following Is Not a Mechanism Employed by Repressor

question 65

Multiple Choice

Which of the following is not a mechanism employed by repressor proteins to decrease transcription of a specific gene?

• A) The repressor associates with a promoter element,blocking RNA polymerase from binding promoter element.
• B) The repressor binds to the activation domain of an activator,eliminating its ability to increase transcription.
• C) The repressor binds to DNA-binding domain of an activator,eliminating its ability to associate with enhancer.
• D) The repressor binds to a DNA sequence in an enhancer,eliminating access to sequence by activator.
• E) The repressor binds to RNA polymerase II,blocking its ability to associate with promoter element.

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