Stem cell preserved in sterile vials are kept in liquid nitrogen at ………….to ……………….. .A. `-135^@ C " to " -190^@C`B. `-125^@C " to " -150^@C`C. `135^@C " to " 190^@C`D. `133^@C " to " 187^@C`

Stem cell preserved in sterile vials are kept in liquid nitrogen at �

1.	Stem cell preserved in sterile vials are kept in liquid nitrogen at ………….to ……………….. .A. `-135^@ C " to " -190^@C`B. `-125^@C " to " -150^@C`C. `135^@C " to " 190^@C`D. `133^@C " to " 187^@C`
Answer» Correct Answer - A `-135^@ C " to " -190^@C`