The Heptapeptide Repeat in the Carboxy Terminal Domain (CTD) in the RPB1

question 1

Multiple Choice

The heptapeptide repeat in the carboxy terminal domain (CTD) in the RPB1 subunit of RNA polymerase II is phosphorylated to ____.

• A) convert to an elongation complex
• B) bind to DNA
• C) form a holo-RNA polymerase II
• D) initiate transcription
• E) activate termination

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Definitions:

Cytokinesis

Cytoplasmic division; process in which a eukaryotic cell divides in two after mitosis or meiosis.

Sexual Reproduction

The biological process where organisms create offspring by combining genetic material from two different sexes.

Evolutionary Advantage

A trait that increases an organism's likelihood of survival and reproduction in a particular environment.

Haploid

Referring to a cell or nucleus containing a single set of unpaired chromosomes, as seen in gametes (sperm and egg cells) of sexually reproducing organisms.