During DNA replication, Okazaki fragments are used to elongate:
- AThe leading strand towards replication fork
- BThe lagging strand towards replication fork
- CThe leading strand away from replication fork
- DThe lagging strand away from the replication fork
Solution & Step-by-step Explanation
DNA polymerase can only synthesize DNA in the 5
′
→3
′
direction. Therefore, the strand with 3
′
→5
′
polarity (the lagging strand) is synthesized discontinuously in short segments called Okazaki fragments, which grow in a direction away from the replication fork.
′
→3
′
direction. Therefore, the strand with 3
′
→5
′
polarity (the lagging strand) is synthesized discontinuously in short segments called Okazaki fragments, which grow in a direction away from the replication fork.