Why Is TBP Referred to as a Universal Transcription Factor

question 8

Multiple Choice

Why is TBP referred to as a universal transcription factor?
(I) TBP is present in both prokaryotic and eukaryotic organisms.
(II) TBP catalyzes the initiation of all RNA polymersase in both prokaryotes and eukaryotes.
(III) TBP is required for initiation by RNAP I,RNAP II,and RNAP III.

• A)I,II,III
• B)I,II
• C)I,III
• D)II,III
• E)III only

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Definitions:

Lose Electrons

Refers to the process in which an atom or molecule undergoes oxidation, resulting in the release of electrons.

Atomic Number

Number of protons within the nucleus of an atom.

Outermost Shell

The last or furthest energy level of an atom where electrons can be found, significant in determining an element's chemical properties.

Atomic Mass

Average of atom mass units for all the isotopes of an atom.