Which Is TRUE Regarding Structure and Function of RNAPII

question 17

Multiple Choice

Which is TRUE regarding structure and function of RNAPII?
(I) Distortion of the DNA by ~90° isolates the template base such that it can be properly paired.
(II) The "clamp" moves over the DNA increasing processivity.
(III) RNAPII accomplishes proofreading by forcing mispaired nucleotides against the
"wall" causing distortion such that mispairs can be cleaved by the "rudder."

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

---

Definitions:

Memory Chips

Electronic components that store data and code for quick access by the computer's processor.

Video Card

A computer hardware component that generates and outputs images to a display; also known as a graphics card.

Desktop Publishing

The use of computers and software to design and produce documents that combine text and graphics.

Adobe InDesign

A desktop publishing and typesetting software application used for creating works such as posters, flyers, brochures, magazines, newspapers, and books.