Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Life Sciences Fundamental Processes
During replication, over-winding of DNA is caused by ________ and removed by ________.
1
primase, topoisomerase
2
primase, single stranded binding protein
3
helicase, gyrase
4
More than one of the above
5
None of the above