Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 8 PCB Single Correct MCQ
Published on: August 12, 2026

Select the incorrect statement regarding DNA replication

A
Leading strand is formed in direction
B
Okazaki fragments are formed in direction
C
DNA polymerase catalyses polymerisation in direction
D
DNA polymerase catalyses polymerisation in direction

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Synthesis of DNA by DNA polymerases occurs only in direction. One strand called leading strand, is copied in the same direction as the unwinding helix. The other strand is known as lagging strand. Replication of lagging strand occurs in a discontinuous way, synthesizing short segments of DNA which are always in the direction. These short segments are called Okazaki fragments joined together by the action of DNA ligase.

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