Multiple choice

DNA replication occurs when a strand of DNA produces a copy of itself. Which among the following statements regarding DNA replication is FALSE?

  1. Okazaki fragments are formed on the lagging strand.

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

  3. Each Okazaki fragment is preceded by an RNA dimer.

  4. Two replicative polymerases synthesize DNA in opposite orientations.

  5. Duplex DNA is always antiparallel.
Reveal answer Fill a bubble to check yourself
C 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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