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as it is a selective media for streptococci it inhibits the growth of other bacteria.
Christensen's medium?
The purpose is to clean the probe and to avoid contamination of samples.
The ability of bacteria to produce cytochrome oxidase can be determined by the addition of the test reagent p-aminodimethylaniline oxalate to colonies grown on a plate medium.
There are no reagents added when a Dnase test is performed. The test is done in a methyl green medium with a pure inoculum culture. If halos form around the culture than Dnase is present.
Determining the degree of contamination...
Dept of health does this test with different chemicals
You can't.
as it is a selective media for streptococci it inhibits the growth of other bacteria.
to avoid bench contamination answer by cowboy
you know what i dont konw too ok
Christensen's medium?
You can't.
Contamination or switching tests accidentally.
Ground soy beans.
To avoid all contamination.
To avoid contamination of samples to be analyzed.