MIDTERM 2 IMViC

Question 1

What is E.Coli?

Answer 1

its facultative gram-negative rod

Question 2

What set of 4 tests Are used to separate Escherichia from other genera

Answer 2

1. Indole production from tryptophan (+ for ecoli)
2. Methyl Red (+) and Voges proskauer Test(-)
3. Citrate utilization test (-)