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Mark the one, which is CORRECT for SOS repair.

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Mark the one, which is CORRECT for SOS repair.

(a) RecA protein participates

(b) A free radical mechanism is involved

(c) The repair enzyme functions only once

(d) No bases or nucleotides are removed

I had been asked this question by my school principal while I was bunking the class.

This intriguing question originated from DNA Repair in chapter Molecular Genetics of Life Sciences

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The correct option is (a) RecA protein participates

Explanation: SOS repair involves RecA protein and is responsible for error prone replication. Final reaction is catalyzed by DNA ligase.

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