Biology · Molecular Basis of Inheritance
Arrange the following molecular events at a replication fork in their correct sequential order: (i) DNA Ligase seals nicks between adjacent Okazaki fragments (ii) Helicase unwinds the double helix (iii) Primase lays down an RNA primer (iv) DNA Pol III extends the new strand from the 3'-OH (v) DNA Pol I removes the RNA primer and fills the gap
- 1(iii) → (ii) → (v) → (iv) → (i)
- 2(ii) → (iv) → (iii) → (v) → (i)
- 3(iii) → (ii) → (iv) → (i) → (v)
- 4(ii) → (iii) → (iv) → (v) → (i)✓
Correct answer
(ii) → (iii) → (iv) → (v) → (i)
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