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In RNA transcription, which of the following is a part of TBP-associated factor (TAF)?

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In RNA transcription, which of the following is a part of TBP-associated factor (TAF)?

(a) TFIID

(b) TFIIB

(c) TFIIF

(d) TFIIH

I got this question in class test.

My question is based upon Types of Biological Molecules in section Structures and Functions of Biological Molecules of Cell Biology

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Correct choice is (a) TFIID

Easiest explanation: TFIID includes the TBP subunit which binds to the TATA box along with some other proteins, together known as the TBP-associated factors. TFIIB provides a binding site for RNA Polymerase. TFIIF contains a special subunit which is bound to the entering RNA Polymerase. TFIIH contains 10 subunits, 3 of which possess enzymatic activity.

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