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Which of the following is NOT a cryoprotective agent?

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in Fermentation Technology by (72.1k points)
Which of the following is NOT a cryoprotective agent?

(a) DMSO

(b) Glycerol

(c) Ethylene Glycol

(d) Paraffin wax

This question was posed to me by my college director while I was bunking the class.

The question is from Preservation of Industrial Microorganisms in portion The Isolation, Preservation and Improvement of Industrial Microorganisms of Fermentation Technology

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Best answer
Correct answer is (d) Paraffin wax

Best explanation: The cryoprotective agents like DMSO, 10% Glycerol, Glycol are the agents that are added to microbial cell culture to protect the cells at a lower temperature or in liquid nitrogen at -196°C.

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