Gram negative small bacilli. Did it grow on MSA? Is it halophile? What are the c
ID: 263167 • Letter: G
Question
Gram negative small bacilli.
Did it grow on MSA? Is it halophile?
What are the characteristics of this bacteria?
What are the metabolic requirements of this bacteria?
What is this bacteria?
Test Completed
What change (if any) is observed?
What does this color change mean?
Phenol red test
Redish orange
Negative reaction, acid not present.
Citrate utilisation test
Green
PH change turns the color blue to green
SIM test
Pink colored
Positive reaction shows pesence of e. coli.
Mac Conkey Agar
Pale color
Bacteria didn’t ferment
Methyl red test
Yellow
No acid produced.
Test Completed
What change (if any) is observed?
What does this color change mean?
Phenol red test
Redish orange
Negative reaction, acid not present.
Citrate utilisation test
Green
PH change turns the color blue to green
SIM test
Pink colored
Positive reaction shows pesence of e. coli.
Mac Conkey Agar
Pale color
Bacteria didn’t ferment
Methyl red test
Yellow
No acid produced.
Explanation / Answer
Gram negative small bacilli. Did it grow on MSA? Is it halophile? What are the c
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