The Okazaki fragments in DNA chain growth: (correct answer + 1, wrong answer - 0.25)
A
Result in transcription
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B
Polymerise in 3’ to 5’ direction and form replication fork
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C
Prove semi-conservative nature of DNA replication
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D
Polymerise in 5’ to 3’ direction
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Solution
The correct option is D Polymerise in 5’ to 3’ direction The direction of chain growth during DNA replication is always 5' - 3'. This holds true for both the leading strand and the lagging Okazaki fragments.