What would be the expected out come of a Nitrate reduction test If the bacteria is a pathogenic intestinal bacteria?

Q: What would be the expected out come of a triple sugar iron test If the bacteria is a pathogenic…

A: TRIPLE SUGAR IRON TEST 1.The Triple Sugar Iron test is a microbiological test having ability to test…

Q: Why is water tested for coliform bacteria rather than for pathogenic bacteria which may be present?

A: Water quality testing plays a crucial role in safeguarding public health and ensuring the safety of…

Q: What would be the expected out come of a phenol red test If the bacteria is a pathogenic intestinal…

A: Phenol Red Broth is a general-purpose differential test medium typically used to differentiate…

Q: What is the logic behind testing for E. coli to detect fecalcontamination of water?

A: Bacteria are unicellular prokaryotic organism that maintains a definite shape since it contains the…

Q: Are the large numbers of microorganisms found in the mouth cause for concern? Explain.

A: We are authorized to answer one question at a time.Since you have not mentioned which one,I am…

Q: Why should an absorbent container not be used in collecting fecal material?

A: Introduction :- Fecal matter, also known as stool or feces, is the solid or semisolid waste material…

Q: which agent was most effective against the fecal coliform that was tested? how does this agent…

A: Fecal coliforms are a kind of bacteria present in the intestines of warm-blooded animals such as…

Q: What is this organism? And what other test could be done to confirm it's identification? 1.Gram…

A: Introduction : Chris Grams classified bacteria into two types according to how they appeared under…

Q: Calculate the coliform concentration in a milk sample based on the following colony counts: 10 2 :…

A: Introduction Coliform bacteria are defined as rod-shaped Gram-negative non-spore forming and motile…

Q: Which microbe requires serum components to be added to the growth medium?

A: Some microbes are nutritionally fastidious and hence needs some substances to be added to the growth…

Q: Why do we test water for coliforms if they are not considered pathogenic?

A: Introduction Coliforms are gram-negative, non-sporulating and motile or immotile bacteria. They…

Q: Can you please discuss the principles of using Motility Test Medium for the detection of bacterial…

A: Bacterial motility is usually demonstrated in a semi-solid agar medium. Motile bacteria ‘swarm' in…

Q: discuss the clinical significance, principles, reagents (if any) and positive and negative results…

A: *Note: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: In the multiple fermentation tube technique does the absence of gas formation after 24 hours…

A: Coliform microbes are life forms that are available in the climate and in the defecation of all…

Q: yield

A: The Dische's test is a chemical test that is utilized to detect the presence of DNA in a solution.It…

Q: I AM TRYING TO IDENTIFY THIS UNKNOWN.  ***IMAGE 1 HAS TWO PICTURE OF CATALASE TEST AND BLOOD AGAR…

A: Catalase is an enzyme that catalyzes the breakdown of hydrogen peroxide into water and oxygen. It…

Q: This is a catalase-positive, coagulase-negative, gram-positive coccus isolated from a urine specimen…

A: Introduction Bacteria are prokaryotic, unicellular organisms. They belong to the kingdom Monera.…

Q: not test water samples directly for Salmonella typhosa or other pathogens

A: There are serious limitations to the use of direct isolation of specific pathogenic bacteria for…

Q: explain how the use of an Eosin methylene blue agar plate can help determine the type of fermenters…

A: Eosin methylene blue agar (EMB) is a selective and differential media.

Q: Which medium is used for indole test and Coagulase Test?

A: Biochemical tests are used to identify microbial diversity based on variations in the biochemical…

Q: What is the difference between a Hemin test and a Benzidine test?

A: Hemoglobin is a blood protein that is responsible for oxygen transport in the tissues. Hemoglobin…

Q: can the phenol red test also be used to determine if a certain bacterium can metabolze various…

A: Differential media is a type of growth media used in the labs to grow and differentiate or…

Q: Is tripple sugar iron test a efficient test for unknown intestinal bacteria?

A: Triple sugar iron agar is a differential medium that contains lactose, sucrose, a small amount of…

Q: What is the result of Staphylococcus epidermidis in the TSI agar test?

A: Bacteria are microorganism that most commonly occur in the soil, air, water and in adverse…

Q: A milk sample was tested for the presence of typhimurium. Using a 10 microliter calibrated loop, a…

A: Serial dilution is the technique to find the concentration of bacteria in a sample when there are…

Q: Why are the streak plates incubated at 7°C when selecting for psychrotrophic bacteria?

A: Bacteria are unicellular, prokaryotic organisms which are devoid of membrane bound organelles and a…

Q: This test determines the ability of bacteria to use citrate as source of carbon and inorganic…

A: The citrate test is utilized to check whether a bacterium species can use citrate as a source of…

Q: Explain why the following steps are necessary during subculturing:  Cooling the inoculating loop…

A: Subculture is the process of the removal of the media and transferring the cells from previous…

Q: I AM TRYING TO IDENTIFY THIS UNKNOWN.  ***IMAGE 1 HAS TWO PICTURE OF CATALASE TEST AND BLOOD AGAR…

A: Results from the images. Oxidase- positive Bacitracin and novobiocin - shows susceptibility…

Q: When using Endo agar as the selective and differential media for the confirmed test, how would you…

A: Endo agar differentiate gram negative bacteria on basis of fermentation of lactose, and inhibits…

Q: What is the most commonly used fixative in stool samples and why?

A: Fixative is a moist environment for transporting and preserving intestinal parasites in stool…

Q: What is the purpose of the confirmed test in an experiment designed to test for coliform bacteria?

A: Coliform bacteria are either nonmotile or motile, Gram Negative, bacilli bacteria. These are found…

Q: What is the coliform test when is it used? What is its purpose? How does it function? What are the…

A: All water that is naturally exposed to the atmosphere, such as rivers, lakes, and reservoirs. It is…

Q: From figure  shows triplesugar iron agar. What biochemical characteristics does this…

A: “Triple sugar iron test” is one of the “biochemical tests” used to test the ability of microbe in…

Q: In aseptic technique, what will happen if the inoculated solid plated media is not inverted prior to…

A: Culture Media   Culture media also known as growth media may be liquid,  semisolid, or solid, is use…

Q: Why do we add powdered zinc to the nitrate reduction test?

A: Bacteria are prokaryotic simple unicellular organisms. Their mode of respiration may be aerobic or…