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Solution


Q.

During DNA replication, Okazaki fragments are used to elongate             [2017]
1 the lagging strand towards replication fork  
2 the leading strand away from replication fork  
3 the lagging strand away from the replication fork  
4 the leading strand towards replication fork  

Ans.

(3)

Lagging strand is a replicated strand of DNA which is formed in short segments called Okazaki fragments. Its growth is discontinuous. The direction of growth of the lagging strand is 3' → 5' though in each Okazaki fragment it is 5' → 3'.