Q: What event is required but not sufficient to cause an infectiousdisease?
A: An infectious disease is caused due to host invasion by biological agents. These biological agents…
Q: Do common fungi such as bread mold produce antimicrobial compounds?
A: The fungi are cosmopolitan and are almost found everywhere. There are variety of fungi present…
Q: Is the all Staphylococcus species are gram positive?
A: Microbiology is the branch of science that deals with the study of microorganisms that are too small…
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: How can activity of a hemolytic exotoxin be detected?
A: Introduction Toxins can be of two type on the basis of their secretion viz. Endotoxins and…
Q: Why is the level of contamination measured as number of colonies rather than size of colonies?
A: Microbiological contamination refers to the presence of unwanted or accidental introduction of…
Q: What is unusual about the bacterium Gemmata?
A: Prokaryotes are the organisms that do not have the nucleus enclosed in an envelope. These are…
Q: Why is an organism such as Staphylococcus adapted to growth on the human skin whereas the…
A: An organism is able to grow well in an environment which it find suitable in terms of pH and…
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: Is it acceptable to give a formal name to a microbe that hasn't been isolated and cultivated? What…
A: There are two main microbiology methods used for isolating bacteria from a clinical sample in order…
Q: Plasmodium attacks the human liver as
A: Plasmodium is a variety of unicellular eukaryotes that are obligate parasites of vertebrates. The…
Q: What property of Staphylococcus epidermidis helps it to colonize plastic materials used in medical…
A: Microbiology is the study of microorganisms that are invisible to the naked eye. The microorganisms…
Q: What characteristics of Pseudomonas species allow them to spoil such a wide variety of foods?
A: Pseudomonas belongs to a group of gram-negative bacteria. They are a very common cause of infection…
Q: B.cereus
A: Bacillus is a genus of rod shaped, gram positive aerobic or facultatively anaerobic bacteria found…
Q: What Gram-negative organism commonly infects wounds caused by animal bites?
A: Animal bites are more often than not sources of deadly infections, They are caused due to the…
Q: Pseudomonas aeruginosa is a rod-shaped bacterium which causes Pner
A: Pseudomonas aeruginosa may be a common encapsulated, gram-negative, facultatively aerobic,…
Q: Why might members of Campylobacter not be isolated from a stoolspecimen in a diagnostic laboratory?
A: Efficient Detection of pathogenic organisms ensures the success of laboratory techniques. It is…
Q: Does the causative agent of tuberculosis, Mycobacterium tuberculosis, form spores thus making it…
A: Pathogens are the microbe that causes disease.
Q: How is the microbe that makes penicillin different from the one that makes streptomycin?
A: An antibiotic is a kind of antimicrobial substance dynamic against microbes. It is the main kind of…
Q: What characteristics differentiate Sarcina from Staphylococcus?
A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…
Q: How could species of Staphylococcus be differentiated fromStreptococcus?
A: Staphylococci and streptococci are among human bacterial pathogens of greatest importance. Currently…
Q: Why do gram-positive bacteria not produce endotoxins?
A: ExotoxinsThey are proteineous substances that are produced within the bacterium as a byproduct of…
Q: What might an infection by Gram-negative bacteriabe more difficult to treat than a Gram-positive…
A: Introduction Bacteria are single-celled organisms that are microscopic. Bacteria can be found…
Q: What function does the capsule have for Streptococcus mutans?
A: The capsule is the extracellular gel-like layer that surrounds the outside of cell wall of many…
Q: Why does one microbe cause disease, whereas another,closely related species is completely harmless?
A: There are a variety of pathogenic and non-pathogenic species of bacteria that are related to each…
Q: Why do healthy adults usually not contract Clostridium difficileinfections?
A: Microorganisms are small organism that cannot be seen by naked eyes. Microorganism such as bacteria…
Q: How does Roseobacter differ from Prochlorococcus?
A: An organisms that takeaway the photon express to obtain energy is called phototrophs. The ocean…
Q: How could one differentiate the genera Vibrio, Campylobacter,and Helicobacter?
A: Bacteria are the sole members of the kingdom Monera. They are the most abundant micro-organisms…
Q: What body systems are affected by eubacterium?
A: The eubacteria are also known as true bacteria. They are unicellular prokaryotic organisms that have…
Q: Haemophilus influenzae is ________and requires special ____________for growth.a. motile,…
A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…
Q: Which environment would a capnophilic bacterium like the best?
A: Microorganisms can be classified according to their requirements for growth. All the need and…
Q: Where is Plasmodium falciparum found?
A: Malaria is a disease in humans that is caused by protozoa parasites. The bite of female anopheles…
Q: Why are Bacillus infections commonly associated with exposureto soil and dust?
A: Bacillus are a genus of rod shaped bacteria. These bacteria form endospores and these endospores are…
Q: Where/ How did the researchers find the bacterium, which they named Ideonella sakaiensis 201-F6?…
A: Ideonella sakaiensis is a unique bacterial species that is able to break down plastic and it is…
Q: What is Plasmodium falciparum?
A: Protozoans are single celled eukaryotic organisms. They can be free living or parasitic, which feed…
Q: Motile spiroplasmas cannot contain a normal bacterialflagellum; why?
A: Flagella helps in movement of the bacteria, motility.
Q: Which of the following is NOT correct about Plasmodium?
A: answer is option-b
Q: Why is it necessary to test for endotoxin in water used forinjectable drug preparations?
A: The microbial toxins are poisonous substances generated by microbes such as fungi and bacteria to…
Q: Why are there fewer clinically effective antifungal andantiparasitic agents than antibacterial…
A: Antifungal agents or medications are the drugs or pharmaceuticals that either kill or inhibit the…
Q: Why are staphylococci well suited for the colonization of skin?
A: Staphylococcus is a gram positive bacteria. Bacteria are microscopic single-celled prokaryotes that…
Q: What is virulence factor in microbiology?
A: The molecules produced by bacteria, viruses, fungi, and protozoa that enable them to invade host,…
Q: What is the Fluorochrome staining technique for Mycobacterium
A: Mycobacterium - they are a type of germ. There are different kind of mycobacterium. Still others…
Q: why is Brocardia anammoxidan a Gram-negative bacteria? what does gram negative bacteria mean?
A: Answer. Bacteria are microscopic, relatively simple, prokaryotic organisms whose cell lacks a…
Why is Plasmodium species isolated usually in blood?
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