What is the biological advantage mycolic acid gives to M. tuberculosis when it causes infections?

Q: What would happen to these pathogens if acidity (pH) increased or decreased a

A: Pathogens are the microorganisms which cause diseases in other organisms like human beings.

Q: What is hyperbaric oxygen therapy, and why is it used to treat wounds infected with C. perfringens?

A: Clostridium perfringens is a Gram-positive bacteria, basically in the shape of rods, anaerobic in…

Q: Results of Kirby Bauer test on E. Coli with penicilin , ampicilin, tetracycline, chloramphenicol…

A: A zone of inhibition is an area around a disc containing an antibiotic or other antimicrobial agent…

Q: What would happen to the sleep–wake schedule of someone who lacked orexin?

A: Orexin is a neuropeptide and is synthesized by a neuron cluster in the lateral part of the…

Q: How does Salmonella typhimurium differ biochemically from Salmonella typhi?

A: Salmonella typhimurium : It is a pathogenic gram negative bacteria which is found in intestinal…

Q: What physiological and structural features distinguish theMethanosarcinales from other methanogens?

A: Methanogens are methane-producing bacteria. These belong to the archaea domain. These are found in…

Q: What are the common elements of puncture wounds, crush injuries,and compound fractures that…

A: Clostridium perfringens and a few other species of Clostridium cause necrotic tissue infections in…

Q: estion 18. ß-actin protein belongs to the protein group named actins. Actin prote participate in…

A: Actin is a protein that is found in all eukaryotic cells, including human cells. It is a key…

Q: Does Enterobacter aerogenes ferment? Does Enterobacter aerogenes produce indole?

A:

Q: What role does iron play in the redox metabolism of Thiobacillus ferrooxidans?

A: Acidithiobacillus ferrooxidans is a type of gram-negative, autotrophic, and rod-shaped bacteria. It…

Q: What are the Carbapenem-Resistant Enterobacterales? Give examples of bacteria that are…

A: Enterobacterales Large order comprising of different types of bacteria that are the cause of…

Q: ampicillin

A:

Q: If Clostridium botulinum is an anaerobe, how might botulinum toxin get into food?

A: Answer: Clostridium botulinum is the bacteria which is responsible to cause botulism in humans. This…

Q: List and describe at least three medically important members of family Enterobacteriaceae. What…

A: Bacteria are microscopic single-celled organisms that thrive in diverse environmental conditions.…

Q: Describe the growth of Staphylococcus aureus and Saccharomyces cerevisiae at high pH (7-7.5

A: pH (potential of hydrogen) reflects the hydrogen ion concentration of a solution. It affects the…

Q: What are the substrates for the Clostridium kluyverifermentation? In nature, where do these come…

A: A biochemical reaction converts reactants into products. Fermentation is a metabolic process. It…

Q: Helicobacter is able to survive the acidic conditions of thestomach by producing which enzyme?(a)…

A: Stomach has a highly acidic environment. Helicobacter pylori secretes urease enzymes. Urease…

Q: explain

A: The beta hemolytic bacteria are the bacterias that causes complete hemolysis of the RBC in the blood…

Q: Why does the nitrate reduction tube turn red after the addition of zinc?

A: Nitrate reduction test is used to find the bacteria who have the ability to reduce the nitrate.

Q: Salmonella typhi is a facultative anaerobe. Explain why.

A: Salmonella is a genus of Gram-negative bacteria that are rod-shaped (bacillus) and belong to the…

Q: For which diseases can one not rely upon chlorination of water as a method of control? Explain why…

A: Thyroid disease has been practically eliminated by using the chlorination of water. The treatment of…

Q: Why is lipopolysaccharide considered to be an endotoxin?

A: Lipopolysaccharide is an outer cell membrane component found in gram-negative bacteria.

Q: What mechanisms do free-living diazotrophs use to protectnitrogenase from oxygen?

A: The biological fixation of dinitrogen is the most important way to access N to organisms, this…

Q: Contrast the primary and secondary response to antigens.

A: The immune system provides defence against invading pathogens. It is a complex network of cells,…

Q: Why does picric acid and tannic acid are used to treat burn?

A: Picric Acid, is an organic compound chemically known as 2,4,6-trinitrophenol. It is a pale yellow…

Q: Can you thoroughly explain the effect of Sulfanilamide and para-aminobenzoate on the growth of…

A: Sulfanilamide and para -aminobenzoate are use to treat bacterial infections.

Q: How does tuberculosis pathogen deal with the toxic effect of oxygen? (Check information from lecture…

A: Tuberculosis is caused by mycobacterium tuberculosis bacterium. Mycobacterium tuberculosis is an…

Q: How long does Saccharomyces boulardii stay in system?

A: Saccharomyces boulardii is a type of yeast. Yeast is a eukaryotic unicellular organism that belongs…

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: why is there challenges in incidence of meconium aspiration syndrome in developing countries such as…

A: Meconium Aspiration Syndrome (MAS) refers to the inhalation of meconium (the first stool produced by…

Q: Is Rosemary toxic to cats?

A: Rosemary is a kind of herb; its leaf and its oil are used as medicines. It is native to the…

Q: What are the advantages and disadvantages of using bacteriostatic drugs in endotoxic shock

A: Drugs with broad-range action known as bacteriostatic drugs limit bacterial growth, inhibiting…

Q: an you thoroughly explain the effect of Glucose concentration on the growth of Bifidobacterium, an…

A: Bacteria is defined as the single celled species that is further categorized into two major…

Q: After a couple of days restoring her parents’ old home, Mrs. Dell notices a puncture wound in her…

A: After a couple of days restoring her parents’ old home, Mrs. Dell notices a puncture wound in her…

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: What role does osmotic pressure play in regard to the action of the drug penicillin against a…

A: Antibiotics formed from the Penicillium molds are termed as penicillin. The group of penicillin…

Q: What is the medical use of cyclosporin A.

A: When a donor organ expresses MHC molecules which are different from the recipient, the recipient…

Q: Describe the growth of Staphylococcus aureus and Saccharomyces cerevisiae at low pH (3-3.5).

A: Answer: Introduction: Staphylococcus aureus is responsible for food intoxication in humans by making…

Q: Does Staphylococcus Epidermides produce hydrogen sulfide gas

A: Staphylococcus epidermides is a bacteria that belong to the staphylococcus genus. It is most…

Q: What are the advantages of live preparations?

A: Vaccines impart adaptive immunity against certain pathogens.

Q: What does vancomycin have in common with penicillin? Howcan native vancomycin be improved?

A: Antibiotics are naturally occurring chemicals synthesized by microbes like fungi or bacteria.  They…

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.