Multiple choice

Eukaryotic DNA replication is a conserved mechanism. Which among the following statements regarding the DNA replication is false?

  1. Duplex DNA is always antiparallel.

  2. Two replicative polymerases synthesise DNA in opposite orientations.

  3. Okazaki fragments are formed on the lagging strand.

  4. The lagging strand usually contains longer stretches of single-stranded DNA.

  5. Each Okazaki fragment is preceded by an RNA dimer.
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E Correct answer
Explanation

Each Okazaki fragment is preceded by an RNA primer, which is displaced by the procession of the next Okazaki fragment during synthesis.

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