The Epsilon (ε)Subunit of DNA Polymerase III of E

question 12

Multiple Choice

The epsilon (ε) subunit of DNA polymerase III of E.coli has exonuclease activity.How does it function in the proofreading process?

• A)The epsilon subunit can remove a mismatched nucleotide.
• B)The epsilon subunit excises a segment of DNA around the mismatched base.
• C)The epsilon subunit can recognize which strand is the template or parent strand,and which is the new strand of DNA.
• D)It adds nucleotide triphosphates to the 3′ end of the growing DNA strand.

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Definitions:

Body Temperature

The measure of the body's ability to generate and get rid of heat, vital for maintaining metabolic processes.

Vasodilation

The widening of blood vessels, which decreases blood pressure and increases blood flow.

Dorsal Cavity

A cavity in the posterior part of the body that houses the brain and spinal cord, part of the central nervous system.

Cranial Cavity

The space within the skull that encases and protects the brain.