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lactose fermenter
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∙ 14y ago
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What does starch agar select for?
EMB plate testing is used to look for bacteria with lactose fermentation. + test results show dark purple, blackish or metalic green bacteria colony. On EMB plate, following results showed with 4 different bacteria. * E. aerogenes: Purple colony (+) * E. coli: Metalic green colony (+) * S. aureus: No growth (-) * S. facealis: No growth (-) With the result, we can conclude that lactose fermentation occured by E. aerogeneus and E. coli.
How do bacteria make lactic acid?
Most bacteria produce asexually by binary fission. If sexually the produce by
When Fredrick griffith injected mice with a mixture of both heat killed smooth strain bacteria and live rough strain bacteria an unexpected result occured this result was?
C. the mice died because rough strain bacteria had been transformed to the smooth strain
What is chromogenesis?
(biochemistry) Production of colored substances as a result of metabolic activity; characteristic of certain bacteria and fungi.
Which is easier to cure viruses or bacteria?
actually, curing bacteria is easier than viruses because they can be treated by antibiotics while viruses cant and its result of viruses don't have stable and similar morph
What is the positive result for mucic acid test?
When galactose is oxidized by nitric acid, insoluble mucic acid is formed. A positive result is the formation of a precipitate. Lactose is a dimer of glucose and galactose. The nitric acid will hydrolyze the dimer and so lactose will also give a positive result.
What are coliform bacteria?
A coliform count is a microbiological assay of the number of coliform-type bacteria living in a certain sample. This is often used as a measure of fecal contamination of water supplies.
What does starch agar select for?
EMB plate testing is used to look for bacteria with lactose fermentation. + test results show dark purple, blackish or metalic green bacteria colony. On EMB plate, following results showed with 4 different bacteria. * E. aerogenes: Purple colony (+) * E. coli: Metalic green colony (+) * S. aureus: No growth (-) * S. facealis: No growth (-) With the result, we can conclude that lactose fermentation occured by E. aerogeneus and E. coli.
What is difference between lactic acid and lactose?
If we are talking about distinguishing between the two solutions then, Carry out a Benedict's test on both solutions; Results: Lactose solution would give a brick-red/brown precipitate (positive test) Sucrose solution would give negative test result while sucrose is a non-reducing sugar which does not react with Benedict's reagent.
Ability of bacteria to produce insulin was result of?
Genetic engineering of the bacteria.
What does a result of rare A bacteria in urinalysis mean?
what does this mean? rare A bacteria
Does lactose can give a positive result in xanthoprotein test?
nitration of the benzene ring and gives positive
What happens if your lactosentolerent?
Lactose intolerance results from the body's inability to produce an enzyme necessary to break down lactose found in most dairy products. Consumption of such foods can result in nausea, diarrhea and cramping. There is a racial preponderance for lactose intolerance, with African-American and Asian populations having as much as 70% lactose intolerance in their populations.
Is height and weight significant in lactose intolerance?
Adults need a particular enzyme in their stomach to tolerate lactose. Babies are born with that enzyme. It turns off automatically in a number of children when they get to be about six years old. As a result they become lactose intolerant. Height and weight have nothing to do with lactose intolerance but the lack of an enzyme. Some people lactose intolerant people drink milk with a bacterium added which adds that enzyme. Others eat milk in the form of cheese or yogurt.
What happens if you take too much?
Too much dairy can sometimes result in a stomach ache. Especially if your Lactose Intolerant
What happens if you take too much dairy?
Too much dairy can sometimes result in a stomach ache. Especially if your Lactose Intolerant
Why are bacteria well suited to produce useful substances as a result of biotechnology?
Bacteria Bacteria are a type of biological cell. They constitute a large domain of prokaryotic microorganisms.
