Bacteria which grow on the Mannitol Salt Agar and DO NOT ferment the substrate will utilize the peptone in the medium which will result in a (an)

A. increase in the pH of the medium
B. reduction of the pH indicator
C. oxidation of the pH indicator
D. decrease in the pH of the medium
E. no change in the color of the indicator


Ans: A. increase in the pH of the medium

Biology & Microbiology

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