Why is agar a useful substance in the microbiology lab?

a) agar dissolves in water at about 60 C
b) Agar does not solidify until it cools to about 40 C
c) Agar is a good source of nutrients for microbes
d) Solid agar melts at temperatures about 40 C


Answer: b) Agar does not solidify until it cools to about 40 C

Biology & Microbiology

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