The okazaki fragments in DNA chain growth

The Okazaki Fragments In Dna Chain Growth Biology QuestionThe Okazaki Fragments In Dna Chain Growth Biology Question

The okazaki fragments in DNA chain growth

Options

(a) polymerize in the 3′-to-5′ direction and forms replication fork
(b) prove semi-conservative nature of DNA replication
(c) polymerize in the ‘5-to-3′ direction and explain 3′-to-5’ DNA replication
(d) result in transcription

Correct Answer:

polymerize in the ‘5-to-3′ direction and explain 3′-to-5’ DNA replication

Explanation:

Okazaki fragments in DNA are linked up by the enzyme DNA ligase. Replication alays ocur in 5′ – 3′ direction. Okazaki fragments synthesised on 3′ – 5′ DNA template, join to form lagging strand which grows in 3′ – 5′ direction.

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