Differentiate Between Proofreading, Mismatch Repair, and Excision Repair

question 74

Essay

Differentiate between proofreading, mismatch repair, and excision repair. Which of these repair mechanisms is responsible for repairing a mutation that occurs in an adult cell from overexposure to the sun? Explain your answer.

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Definitions:

Body

The physical structure of a person or an organism, comprising the bones, muscles, skin, and organs.

Outside The Eye

Pertaining to or involving the structures surrounding or adjacent to the eyeball, not part of the eye itself.

Without Jaundice

Refers to conditions or symptoms occurring without the yellowing of the skin and eyes associated with jaundice.

Prefix

An affix placed before a word or stem to modify its meaning, such as 'un-' in 'unhappy' or 'pre-' in 'preview'.