Excision DNA repair systems involve O A Single-stranded breaks in the undamaged

Question

Excision DNA repair systems involve O A Single-stranded breaks in the undamaged strand on each side of the damage and resynthesis of the undamaged DNA strand between the breaks. O B Single-stranded breaks in the damaged strand on each side of the damage and resynthesis of the damaged DNA strand between the breaks Excision of the single damaged base and reinsertion of the correct base at that position, without hydrolysis of the phosphodiester bond at that position O C Proofreading of the DNA, with removal of deoxyribonucleotides from both strands wherever there is a O Dmismatch. O E All of the above (A, B, C and D) are excision repair mechanisms.

Explanation / Answer

Answer:

C. Excision of the single damaged base and reinsertion of the correct base at that position, without hydrolysis of the phosphodiester bond at that position

Explanation:

The base excision repair (BER) is a cellular mechanism that repairs damaged DNA throughout the cell cycle.

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