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In DNA replication, the leading strand replicates in the​

  • a)
    5′ → 3′ direction discontinuously

  • b)
    5’→ 3′ direction continuously

  • c)
    3′ → 5′ direction discontinuously

  • d)
    3’→ 5′ direction continuously

Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In DNA replication, the leading strand replicates in thea)5′ &ra...
The replication occurs in three steps in both prokaryotes and eukaryotes. These are include-

• Initiation

• Elongation

• Termination

The elongation steps involve the synthesis of leading and lagging strands.

The helicase and Dna B unzips the double-stranded DNA for replication, making a forked structure. The primase then performs the task of generating short strands of RNA that bind to the single-stranded DNA to initiate DNA synthesis with the help of DNA polymerase. This enzyme can work only in the 5′5′ to 3′3′ direction, the replication of the leading strand is done continuously whereas lagging-strand replication is discontinuous, with short Okazaki fragments being formed and later linked together.

So, the leading strand is the one that replicates in the 5′→3' direction continuously.
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Most Upvoted Answer
In DNA replication, the leading strand replicates in thea)5′ &ra...
When replication begins, the two parent DNA strands are separated. One of these is called the leading strand, and it is replicated continuously in the 3' to 5' direction. The other strand is the lagging strand, and it is replicated discountinously in the short sections.
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In DNA replication, the leading strand replicates in thea)5′ &ra...
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In DNA replication, the leading strand replicates in thea)5′ → 3′ direction discontinuouslyb)5’→ 3′ direction continuouslyc)3′ → 5′ direction discontinuouslyd)3’→ 5′ direction continuouslyCorrect answer is option 'B'. Can you explain this answer?
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