Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Biology Biology in Human Welfare Scientific Developments
The process of preserving organelles, cells and tissues at -196°C in liquid nitrogen is called:
1
vitrification
2
cryo preservation
3
tissue culture
4
More than one of the above
5
None of the above