M.Sc. Bio-Chemistry (PU-CET P.G) 2018 Panjab University Entrance Exam With Answers

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41.

Which of the tester strain was used by Bruce Ames to develop Ames test for observing mutagenesis of a compound?

A: Histidine negative (His - ) strain of Salmonella typhimurium
B: Alanine (ala - ) strain of Salmonella typhimurium
C: Glycine (gly - ) strain of Salmonella typhimurium
D: Cysteine negative (cys - ) strain of Salmonella typhimurium

The answer is: A

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