Which gas is used in cryopreservation ?
(a) Nitrogen (b) Oxygen
(c) Hydrogen (d) Carbon dioxide.
Answers
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Answer:
A
Explanation:
Nitrogen is used in cryopreservation.
Answered by
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Nitrogen is the gas used in Cryopreservation.
Option (A).
Explanation:
- Liquid nitrogen is a perfect cryogen to store the biological samples for effectively indefinite periods.
- Liquid nitrogen has been used in the method of cryopreservation because of its low temperature (-196 ℃).
- The term cryopreservation (cryogenic preservation) pertains to the storage of cells, organs, and tissues at the extremely-low temperature maintained by the use of liquid nitrogen(-196 ° C).
- The vegetative cells at this temperature become quiet in this specific condition, the survival time is infinite, because virtually all physical and biochemical reactions are halted.
- To protect distinct tissues and organs for the protection of plant material the application of cryogenics, first suggested to 1968 for the preservation of cell cultures, is now a reality.
Learn more about Cryopreservation
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