Question
Biology Question on DNA Replication
The Okazaki fragments in DNA chain growth : -
A
Polymerize in the 5'-to-3' direction and explain 3'- to 5' DNA replication
B
Result in transcription
C
Polymerize in the 3'-to-5' direction and forms replication fork
D
Prove semi-conservative nature of DNA replication
Answer
Polymerize in the 5'-to-3' direction and explain 3'- to 5' DNA replication
Explanation
Solution
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.