Biology 9700 · AS & A Level · Replication and division of nuclei and cells

Replication and division of nuclei and cells — practice question

During semi-conservative replication, DNA produces a leading strand and a lagging strand. Which row correctly pairs each strand with its properties?

  • Athe strand replicated by joining together short sequences of DNA in a $3'$ to $5'$ direction: lagging; the strand that requires DNA ligase: lagging
  • Bthe strand replicated by joining together short sequences of DNA in a $3'$ to $5'$ direction: lagging; the strand that requires DNA ligase: leading
  • Cthe strand replicated by joining together short sequences of DNA in a $3'$ to $5'$ direction: leading; the strand that requires DNA ligase: leading
  • Dthe strand replicated by joining together short sequences of DNA in a $3'$ to $5'$ direction: leading; the strand that requires DNA ligase: lagging

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