In this lab exercise, were the results of the indole test necessary to differentiate between Salmonella and Shigella? Explain why or why not.

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: 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, 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: Why is the egg of S. stercolaris not usually seen in stool?

A: Strongyloidiasis is a disease caused by the rhabditid nematode Strongyloides stercoralis…

Q: How does bile in bile esculin medium contibute to the isolation and presumptive identification of…

A: Bile Esculin medium is a selective and differential medium used to isolate and identify the members…

Q: What is the principle of Molisch test, Benedict test, Biuret test, Xanthoproteic test, Sudan test,…

A: The tests that are mentioned above are the tests used for identification of biomolecules like…

Q: How did Georg Gaffky cultured Salmonella Typhi?

A: Salmonella enterica is a kind of bacteria. Typhoid fever is caused by a gram-negative bacteria…

Q: Researchers have discovered that washing spinach with water several times does not prevent foodborne…

A: Communicable diseases are infectious diseases that could be spread from one person to another…

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: I know my unknown is E. Coli, however, I wanted to see if there is a way to determine if this sample…

A: Practical Actions to Enhance StainsMake Sure the Reagents Are Fresh: To prevent uneven outcomes, use…

Q: EXPLAIN WHY STAPHYLOCOCUS AUREUS IS GRAM POSITIVE

A:

Q: When innoculate the bacteria noticed yellow colonies, is that staphylococcus aureus or…

A: It is required to identify the yellow colonies seen after inoculation of the bacteria is…

Q: 1) What are all of the different colony types that can be seen on a mixed-culture streak plate?  2)…

A: Hi! Thanks for your question. As you have posted multiple questions, I am answering only the first…

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 does MPN stand for? Why do you think dilutions are needed to use in the MPN test? -How do you…

A: Solution - MPN =Maximum Probable Number  Definition- Most Probable Number  (MPN) may be a technique…

Q: Are foraminiferan tests single-chambered or multi-chambered?

A: Foraminiferans are the single celled organisms and they are the members of a phylum or class of…

Q: If a bacterial species is not susceptible to an antibacterial drug at the concentration present in a…

A: Antibiotic susceptibility test is the test used to determine the effect of antibiotic to an…

Q: POSITIVE. GRAM- NEGATIVE. 2. Rods..... Cocci...... 3. Gelatin test positive.... Gelatin test ...Go…

A: Enterobacter cloacae is a clinically relevant Gram-negative, facultatively-anaerobic, rod-shaped…

Q: Name two tests that are useful for the differentiation of pneumococci and oral viridans…

A: Pneumococci or Streptococcus pneumonia is a spherical, Gram-positive bacterium. They are generally…

Q: How do you isolate Salmonella and not E coli from a fecal sample?

A: Isolating particular microscopic organisms from a complex sample is a basic strategy in…

Q: Two patients, with identical medical histories are in adjacent hospital beds. Each is infected with…

A: Answer The encapsulated bacteria in patient A were resistant to Phagocytosis.

Q: What is the principle involved in the Acrolein test? What is its purpose?

A: Qualitative tests are the chemical or physical tests involved in identification of certain…

Q: How would you devise a selective medium for Vibrio cholerae?

A: Mostly for selecting the agar medium as a enrichment broth, alkaline peptone water and thiosulfate…

Q: According to the hemolysis results, how does Bacillus cereus differ from B. subtilis?

A: Given: To find how does Bacillus cereus differ from B. subtilis.

Q: Distinguish Staphylococcus aureus from Escherichia coli using 4 complete points of contrast.

A: Different bacteria can be distinguished from each other in many ways - their cell morphology;…

Q: Is bile esculin test a efficient test for unknown intestinal bacteria?

A: In the intestine, only those bacteria that are not killed by the bile survive. The normal bacteria…

Q: What are the samlpling procedures for test for Staphyloccocus aureus in food. Explain

A: Staphylococcus aureus is a type of bacteria that is commonly found on the skin and in the nose of…

Q: Name the bacterium which is responsible for conversion of milk into curd.

A: The bacterial fermentation is a type of metabolic pathway which involves the bacteria. Milk consists…

Q: What test can be performed to differentiate between group A and group C streptococci?

A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…

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: It  has  been  established  that  V.  parahaemolyticus  cross-reacts  with  many  marine  bacteria…

A: Serological tests signify those tests, that detect the antibodies against a microorganism. It…

Q: Explain how staphylococcus capitis  test is different from streptococcus salivarius  test ?

A: Streptococcus salivarius and Staphylococcus capitis are both pathogens for humans. These two…

Q: Match the confirmation test to the category of bacteria. (each category can be used multiple times)…

A: Gram-positive bacteria are bacteria that test positive in the Gram stain test, which has…

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: 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: Αγελα

A: based on above images the name of pathogen are given on visualize analysis.  following are the name…