Molecules that are involved in the regulation of gene expression, which are usually comprised of proteins?

(A) translation factors
(B) RNA polymerase
(C) RNA codons
(D) transcription factors


Answer: (D) transcription factors

Biology & Microbiology

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Which of the following organs are likely to be

affected by a defective CFTR protein?

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Oceanic gyres circulate in a counterclockwise direction in the Northern Hemisphere and in a clockwise direction in the Southern Hemisphere

Indicate whether the statement is true or false

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A gemma is a sexual reproductive structure produced by certain liverworts

____________________ Indicate whether the statement is true or false.

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Which technique can be used to identify Down syndrome in a developing fetus?

A) PCR B) Southern blot C) Chorionic villus sampling D) Gel electrophoresis E) RFLP

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