Describe the E. coli culture contamination ?
Answer / priya
1.Culturing in the medium no 4 -endo
2.By microscoping - visible Lac "+"
3.Isolating them in the medium no 1 .
4.checking for biochemical activity
-medium with citrate, medium no 14 (should not be fermented)
-culturing in medium no 15 (formation of indol) indol "+"
-Cyt-oxidase "-"
- the sample contains Gr "-" bacteria, negative results in
oxidase, indol and does not utilise citrate.
-Conclusion contamination E-coli
| Is This Answer Correct ? | 0 Yes | 1 No |
What is an organ that belongs to more than one organ system?
HELLO EVERYONE ON YAHOO , I'M IN NIGERIA AND I Would LIKE TO MOVE AND WORK IN CANADA , ANY SKILLED WORK IS OK BY ME AND THE PERSON WILL PAY THE BILL FOR IT, I WILL SERVE THE PERSON FOR THE EXPENSES.......... LOVE TO READ FROM YOU SOONEST AS YOU WISH TO HELP ME OUT
Why does separation not occurs in stacking gel in gel electrophoresis and why does separation done in separating gel?
How does oak blight spread?
what is artherosclerosis?
How to purify viruses?
Explain what is the optimum temperature for catalyses?
What a test tube brush?
What does boiling do to an enzyme?
Explain why does dna twist?
What is a vesicle?
What is the lowest temperature humans can survive?