What test tube will show positive starch hydrolysis and negative starch hydrolysis?

Q: Between Bacillus megaterium, Bacillus sphaericus, and Bacillus subtilis, which are positve for…

A: MSA or Mannitol Salt Agar is a differential and selective medium that encourages the growth of some…

Q: Is  Bacillus cereus negative or positive for methyl red, and  Voges-Proskauer tests?

A: The methyl red (MR) test detects whether bacteria can ferment the glucose or not. It detects the…

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: Between Enterobacter aerogenes and Enterobacter cloacae, which are positive or negative for methyl…

A: methyl red and Voges Proskauer tests both are biochemical tests for identifying bacteria in…

Q: Between, Shigella flexneri and Shigella sonnei, which are positive and which are negative for…

A: Shigella is a group of gram-negative, non-motile, non-capsulated, non-endospore-forming bacilli that…

Q: Is it possible for nonprotein compounds to test positive for the xanthoproteic test? What are these…

A: Proteins are made up of number of amino acids. Amino acids are organic compounds with two functional…

Q: Which characteristic of the species used determines whether sterility was achieved when autoclaved?

A: Microorganism: These are too small organism which is impossible to see by naked eyes. They exist in…

Q: Which microorganism has a positive Buffered Azide Glycerol Glucose Test? Streptococcus agalactiae…

A: ANSWER;-Streptococcus Faecalis

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

A: Nitrate Reduction Test is used to determine the ability of an organism to reduce nitrate (NO3) to…

Q: which bacteria is Coccobacillary,gram negative, non motile and negative oxidase test?

A: Bacteria are microscopic organisms which belong to prokaryote because these are unicellular…

Q: What is the effect of temperature in the formation of milk foams?

A: Foam is an object formed by trapping pockets of gas in a liquid or solid.

Q: Between Shigella flexneri and Shigella sonnei, which are positive or negative for methyl red test…

A: Genus Shigellae are Gram-negative rod shaped, facultatively anaerobic, non-motile, non-spore-forming…

Q: What is the Gram stain test procedure? What important diseases are caused by the following bacteria:…

A: The Gram staining is the the basic staining procedure that is used to identify bacterial. This…

Q: What is the significance of heat fixing the smear?

A: Gram staining is a common laboratory technique in microbiology that is used to differentiate…

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: 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: why would selecting a colony from a blood agar plate to test with enterotube be bad

A: Selecting a colony from a blood agar plate to test with an Enterotube may not be ideal for several…

Q: Does pasteurisation effectively kill all the miroorganisms in milk?  If not, why is it used?

A: Pasteurisation includes warming fluids at high temperatures for short measures of time.…

Q: Explain the reason for the effect on mass spectroscopy method of diagnosis by culture conditions.

A: Mass Spectrometry is an analytical method. It is used to quantify known materials to identify…

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: Arcanobacterium haemolyticum may cause pharyngitis or cutaneous infections. It grows as a tiny…

A:

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: What is the grade of raw milk in Figure 8? Grade of pasteurized milk?

A: Introduction The Resazurin test is designed for analyze the quality of  bulked milk. this is based…

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: Is phenol red test a efficient test for unknown intestinal bacteria?

A: Fermentation of carbohydrates is the method used by microorganisms to produce energy. Phenol Red…

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: What is the color result of tryptophan,tyrosine and phenylalanine in xanthoproteic test? Results and…

A: Xanthoproteic test was a specific test that was done to detect the presence of aromatic amino acids…

Q: What would the results of the Durham tubes be for Staphyloccocus Epidermides?

A: Durham tubes are the tubes which are used in microbiology. They are used to detect the presence of…

Q: does rennet curdle faster with Ag+ or without Ag+?

A: Rennet is an enzyme typically found in the lining of the fourth stomach of young ruminant animals…

Q: explain indole test, startch test and citrate test.

A: Indole test This is a biochemical test that is used to identify the capability of some bacteria to…

Q: Of , Shigella flexneri and Shigella sonnei, which are positive and which is negative for…

A: The ability of an organism to generate the enzyme deaminase is tested using a phenylalanine…

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: What organic causes are operative in enuresis?

A: The state of completely exceeding intentional urination is called enuresis. The clinical name for…

Q: Briefly describe the phenol coefficient test.

A: Sterilization is a process that involves the removal of harmful microbes either by inhibit the…

Q: Do the results from a confirmed coliform test represent total or faecal coliform and why?

A: Fecal coliform bacteria may occur in ambient water as a result of the overflow of domestic sewage or…

Q: which bacteria is Pleomorphic rod or clubshaped,gram positive, motile and passes the oxidase test?

A: According to guidelines we have to answer the first question only. so please kindly post the…

Q: What is the significance of a positive presumptive test?

A: Presumptive test is also known as a screening test. It is an initial or preliminary test that…