27. During the lab, the time was needed for E. Coli to show some growth after UV light exposure which indicates some DNA repair?
A. 0 second
B. 30 seconds
C. 1 minute
D. 2 minutes
28. Mannitol salt agar is classified as:
A. Enriched medium
B. Selective medium
C. Differential medium
D. A. and b.
E. B. and c.
29. Mannitol salt agar is used to identify & differentiate
A. Fungi
B. Enteric bacteria
C. Staphylococcus
D. Streptococcus
E. Gram (-) cocci
30. The Ingredient in Mannitol salt plate which makes the agar selective is?
A. Salt
B. Glucose
C. Mannitol
D. Bile acids
Answers: 3
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