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

Q: i) Describe the proteins in terms of their size and abundance in the whey and deproteinated whey…

A: Whey can be defined as the liquid that remains after the curdling and the straining of the milk. It…

Q: y is an organism such as Staphylococcus adapted to growth on the human skin but the streptococci are…

A: When the pH and temperature of the environment are right, a creature can thrive there,

Q: explain that  Staphylococcus aureus is gram positive

A: Staining : It is  a biochemical technique of coloring specimens. To stain these specimens dyes are…

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: If an unknown bacteria was given that was gram-positive coccus, and the catalase test was performed,…

A: Gram-positive bacteria, such as Staphylococcus aureus, are bacteria that provide a positive response…

Q: How does one can differentiate Streptococcus pyogenes from Staphylococcu

A: Answer is given below

Q: What is the morphology of the following cells:       streptobacilli     streptococci…

A: Bacterial shape is a very important method for their identification. Bacteria are roughly classified…

Q: You have isolated a Gram positive cocci from a throat culture. You have determined that it is…

A: Gram-positive bacteria have a single cell wall anchored to the cell membrane by lipoteichoic…

Q: Why is staining of stool samples very important in identifying parasites?

A: In this question it is to describe that why is staining of stool samples very important in…

Q: Do we have to do an antibiotic sensitivity test to ensure the result? and what is the type and name…

A: Antibiotic Sensitivity Test:  Antibiotic sensitivity testing, often known as antibiotic…

Q: EXPLAIN WHY STAPHYLOCOCUS AUREUS IS GRAM POSITIVE

A:

Q: Explain the Pasteur effect on the aerobic culture of yeast on glucose, where the rate of glucose…

A: Introduction:  Yeast uses its nutrition as an energy source when living in anaerobic environments.…

Q: If coliforms were present on a plated sample, would you know with certainty that the coliforms are…

A: Coliform microbes are characterized as rod-shaped, gram-negative, non-spore-forming, and…

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: B.cereus

A: Bacillus is a genus of rod shaped, gram positive aerobic or facultatively anaerobic bacteria found…

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: How can we differentiate a Bacillus cereus from B. subtilis if both are beta hemolysis?

A: Answer:  BETA HEMOLYSIS = It is the complete lysis of red blood cells in the agar, around the…

Q: Why is Salmonella typhi a gram negative bacilli? Explain.

A: The crystal violet stain utilised in the Gram staining method of microbial classification is not…

Q: Why are polymyxins like Neosporin typically only used topically

A: Polymyxin is a group of antibiotics that are used to cure infections caused by gram-negative…

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: Is the Peptone Iron Agar (PIA) a complex or defined medium? Explain based on its composition. Is the…

A: Depending on their composition, media can be classified as defined and undefined media. Defined…

Q: Raw poultry can carry Salmonella or Campylobacter bacteria, both of which produce toxins that can…

A: Answer: Salmonella Bacteria - Salmonella os a genus of rod shaped bacteria and gram negative…

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: 10.2 to identify a gram-positive, catalase (No bubble) coccus.

A: Gram-positive bacteria is a positive result in the Gram stain test, which is a method used to…

Q: What is the purpose of Xanthoproteic test and explain the observation or rection for albumin and…

A: Xanthoproteic test is a type of colour test to detect a specific functional group, structural…

Q: Correctly identify the bacteria based of the information provided: Bacilli, Gram-, oxidase-, Motile.…

A: Bacteria are ubiquitous microscopic prokaryotic organisms that cannot be seen as such through naked…

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: 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: If the generation time of Bacillus cereus is 28 minutes, how many cells of B. cereus will there be…

A: Bacteria grow in varied environmental conditions. Low temperature, presence of acids, bases, toxins,…

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: Cells of Salmonella are peritrichously flagellated, those ofPseudomonas polarly flagellated, and…

A: The flagella is the locomotory structure found in microorganisms.  Peritrichous flagella refer to…

Q: n the article the “Overall, the composition of the cores and insides of the Gouda cheeses were more…

A: Gouda cheese is a semi-hard cheese that originated in the Netherlands. It is named after the city of…

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: ive a disease-causing pathogen or microbe and answer the following questions. 1. What is the name…

A: A pathogen is a disease-causing organism. These microbes, on the other hand, only become a problem…

Q: If the bacterium in question during the perlo outbreak had beenE. coli instead of S. aureus, how…

A: The perlo outbreak was caused by Staphylococcus aureus that causes food intoxication and had led to…