Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Biology Biotechnology
While isolating DNA from a cell, chilled ethanol is added to
1
Precipitate DNA
2
Break open the cell to release DNA
3
Facilitate action of restriction enzymes
4
More than one of the above
5
None of the above