Which of the choices below represents the correct way to repair the mismatch sho

Question

Which of the choices below represents the correct way to repair the mismatch shown in Figure Q6-41 Which of the following statements about the newly synthesized strand of a human chromosome is true? It was synthesized from a single origin solely by continuous DNA synthesis. It was synthesized from a single origin by a mixture of continuous and discontinuous DNA synthesis. It was synthesized from multiple origins solely by discontinuous DNA synthesis. It was synthesized from multiple origins by a mixture of continuous and discontinuous DNA synthesis.

Explanation / Answer

Answers :

Q9. The correct answer is A. This is due to the fact that repair machinery can discriminate between the newly synthesised strand and the parent strand. Repair is done only to the newly synthesised strand by abeying the sequence present in the parent strand.

Q10. The correct answer is D (It was synthesised from multiple origins by a mixture of continuous and discontinuous DNA synthesis. This includes the synthesis of leading strand in a continuous manner and the lagging strand in a disconstinuous manner. Because of this reason, DNA synthesis is termed as Semi-discontinuous replication

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