Which of the following is a characteristic of fecal coliforms?   Question 10 options:   A)  Gram-positive   B)  endospore forming   C)  lactose-fermenting   D)  cocci-shaped

Q: Which is a better indicator for Salmonella - coliforms or E. coli?

A: Introduction: Salmonella typhi is a genus of rod-shaped bacteria that is responsible for typhoid.…

Q: Why is listeriosis a serious problem even with refrigerated foods?

A: In the soil and water, Listeria monocytogenes is found. The soil or manure used as fertilizer can…

Q: . Explain the role of H. pylori in the pathogenesis of peptic ulcers. Which populations are most…

A: Helicobacter pylori requires 4 steps to colonize the host stomach: Survival in acidic environment…

Q: what is the use of Peppermint oil and Cinnamon oil in Veterinary Medicine to treat the bacterial…

A: The essential oils of Lippia graveolens, Thymus vulgaris, and Origanum vulgare used in this research…

Q: What virulence factors of each species of Enterobacteriaceae?

A: Enterobacteriaceae is a family of Gram-negative, facultatively anaerobic, non-spore-forming rods.

Q: what is ESBL-producing Enterobacteriaceae? and how to treat ESBL-producing Enterobacteriaceae?

A: Microorganisms are defined as organisms that cannot be viewed by unaided eyes and require a…

Q: Why does Balantidium coli have the greatest clinical impact?

A: Protozoa are heterotrophic, eukaryotic, unicellular, organisms. They have almost 65000 species of…

Q: How did Escherichia coli become pathogenic?

A: Escherichia coli or E. coli can be described as the gram negative, facultative anaerobic, rod shaped…

Q: What is bacteremia? Is it dangerous for humans?

A: Bacterimia is a bacterial infection that spreads to the bloodstream.  It can be serious as it can…

Q: What is botulism?

A: Any infectious agent or microorganism (Virus, bacterium, protozoa, ETC) that can cause disease is a…

Q: What is the Key Gross Morphology Characteristics on different Primary Plating Media for Enterococcus…

A: Various agar medium are used for plating in order to grow different gram positive and gram negative…

Q: Why are coliforms better indicator of salmonella rather than E. coli?

A: It is considered that Salmonella is best detected by coliforms rather than E. coli. The reason is…

Q: Why does the medical microbiological community propose that physicians be more cautious in their…

A: Antibiotics are the substances used by human organism that inhibit the activity of other…

Q: Provide the names of the two unknowns using the list of tests attached below .List of possible…

A: Gram stain: microscopy reveals gram positive rod shaped bacilli MSA:no growth on MSA. blood test:the…

Q: How does one can differentiate  E.coli  from Bacillus subtilis

A: Answer is given below

Q: What shape does Vibrio cholerae have?

A: Bacteria are member of a large group of unicellular microorganisms. Bacteria have cell walls but…

Q: Name four different pathogenic groups of Escherichia coli.

A: Escherichia coli Bacteria normally leaves in the intestine of animals including Humans. Most of them…

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: When can E. coli become potentially pathogenic (disease-causing)?

A: E Coli or Escherichia Coli is a bacteria. A bacterial cell is a type of prokaryotic cell. It means…

Q: What biochemical characteristics are commonly found in Enterobacteriaceae?

A: Enterobacteriaceae family contains a large number of genera that are biochemically and genetically…

Q: Which of the following would be present in highest numbers in the indigenous microflora of the skin?…

A: Indigenous microflora Our skin contains various microorganisms such as bacteria fungi  which are not…

Q: Normal microbiota provide protection from infection in each of the following ways EXCEPT:   Question…

A: Host-microbial interaction is the type of interaction that is found between the host cell and the…

Q: What is the mechanism by which enterococci are able to grow in high salt conditions?

A: The Enterococci are facultative anaerobes, gram-positive coccus that appears to be in short chains…

Q: What are THREE indications of a high coliform counts in a food product?

A: The coliform count is an indicator of hygiene and a high level of coliform generally depicts…

Q: If you were working with Drs. Joseph Warren and Barry J. Marshall to design a study to determine…

A: Discoveries in the scientific world are replete with examples of Chance or accidental discoveries,…

Q: How do nitrification and anammox differ?

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

Q: Identify a biochemical test that can differentiate Enterobacter agglomerans from Enterobacter…

A: Enterobacter cloacae is a part of the normal gut flora of humans and usually, it is not considered a…

Q: Where do balantidium coli reside?

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

Q: Using this flow chart, a species that is alpha-hemolytic and catalase-negative is…

A: In this question, we are given a dichotomous key for identification of bacteria on the basis of the…

Q: If an esculinase-postive and an esculinase-negative bacteria species can both grow on the Bile…

A: Bile Esculin Agar  It is defined as the type of selective differential agar that's used to isolate…

Q: Where do the different types of coliforms come from?

A: Coliform are the rod shaped, gram negative bacteria, used as indicator organism for quality check of…

Q: What is the significance of the presence of salmonella in foods?

A: Salmonella is a type of bacteria that is usually frequently found in food related illnesses in…

Q: What are the common pathogens isolated from stool samples? What is the difference between a coliform…

A: A pathogen is living thing that causes infection. Infections and microorganisms can be microbes,…

Q: We’re going to make our own yogurt using mixed bacteria cultures which contains Lactobacillus casei,…

A: Yogurt This is defined as the food that is produced by the bacterial fermentation of milk. The…

Q: Besides pathogens that cause typhoid fever, cholera, and dysentery, what other pathogens would be…

A: A pathogen may be referred as an infectious agent that can produce diseases. They are classified…

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…

Q: What is NBES?

A: NBEs stands for new biological entities. It can be defined as biological products that involve…

Q: Which antibiotic listed would be most effective against E Coli?

A: Kirby-Bauer is a type of disk diffusion susceptibility test, which is used to determine the whether…

Q: What is the crystalline protein made by Bacillus thuringiensisand what is its significance to…

A: Bacillus thuringiensis is generally a soil-dwelling bacteria and are gram-positive in nature.…

Q: How can we experimentally prove that enterotoxin (A-B cholera toxin) is the sole cause of clinical…

A: Several microorganisms produce and secrete protein exotoxins that are either chromosomally encoded…

Q: If there is a causal relationship between the presence of H. pylori and ulcers, how might you…

A: Warren and Marshall were the two pathologists, who collaborated on the study of a kind of spiral…

Q: What is coliform?

A:

Q: how does psychrotrophic bacteria cause the spoilage of refrigerated foods?

A: The term psychrotrophs (additionally named psychrotolerant) alludes to microorganisms that can…

Q: With regard to gram-negative enterics, what do the letters O, H,and K stand for?

A: The major classes of antigens which are used in defining strains of Gram negative bacilli are 0-…

Q: Is Staphylococcus epidermidis catalase positive or negative?

A: Staphylococcus epidermidis  Introduction:- Gram-positive bacteria Basically, it is harmless Present…

Q: Which bacteria is a common cause of food poisoning?

A: Answer: FOOD POISONING : It is the condition when the disease is caused by ingestion of the spoiled…

Q: What is the function of nitrifying bacteria?

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

Q: What characteristic separates Salmonella and Shigella from most of the other enterobacteria? What…

A: Enterobacteria belong to the family of Enterobacteriaceae. These are responsible for causing…

Microbial Physiology

Microbial physiology is the branch of microbiology that is associated with studying the physiology of fungi, bacteria, and viruses. It is an important field of science concerning functional genomics and metabolic engineering.

Chemotaxis

The organism’s movement in a particular direction as a response to certain chemicals that are available in the environment is defined as chemotaxis. In brief, it can be defined as the occurrence of an organism’s movement in response to a certain chemical stimulus.