Mannitol salt agar contains mannitol sugar, a pH indicator, and high concentration of salt (7.5% sodium chloride). Sugar could be fermented by some organisms, and high salt content is inhibitory to some bacteria. This medium is an example of a ___________ medium.

A. selective and differential
B. Selective
C. Enriched and Selective
D. Enriched
E. Differential


Ans: A. selective and differential

Biology & Microbiology

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