What is the purpose of adding 0.1% agar to the trypticase nitrate broth when conducting the nitrate reduction test?
1. The addition of agar creates a solid surface for inoculation.
2. The addition of agar helps to create an anaerobic environment, encouraging nitrate reduction.
3. The addition of agar helps to create an aerobic environment, encouraging nitrate reduction.
4. The addition of agar allows for the detection of motility.
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What is the purpose of adding 0.1% agar to the trypticase nitrate broth when conducting the...
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