Q: What is meant by a bacterial “colony” or colony-forming unit?
A: Introduction A colony is made up of two or more conspecific individuals who live in close proximity…
Q: What other factors may control the outcome of an infectiousdisease?
A: An infectious disease is the one that is caused by pathogenic microbes. These microbes can be…
Q: The structures that enable some Gram-positive bacteria to remaindormant for extremely long periods…
A: Bacteria are the prokaryotic organisms adapted to survive in a wide range of habitats.
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A: Some living organisms cannot be visible by the naked eye and only can be seen under the microscope.…
Q: What would allow for an anaerobic spore former to grow instead of aerobic spores?
A: Spores are dormant bodies that contain all of the genetic material present in the vegetative process…
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A: Gram stain is used to differentiate between the gram-positive and gram-negative. Different types of…
Q: What is/are the usual habitat(s) of endospore-forming bacteria that are agents of disease? a. the…
A: The dormant, non reproductive structure formed by certain bacteria are called endospores. It is seen…
Q: Whydid Bacterial toxin does not kill the bacteria but only the insects?
A: Bacillus thuringiensis (Bt), is a Gram-positive, soil-dwelling bacterium, which naturally produces a…
Q: Besides taking antibiotics, what other factorsmight influence the numbers andtypes of microflora in…
A: The amount and type of microflora in our bodies respond to the host's overall health. If the host is…
Q: f morphological characteristics of microorganisms?
A: The study of particular shape, size and structure of any microorganisms called morphology.
Q: What are examples of disease causing bacteria that presents flagella
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A: Food irradiation is a method of exposing the foods to ionizing radiations which kills the…
Q: What is/are the usual habitat(s) of endospore-forming bacteria thatare agents of disease?a.…
A: Bacteria are a group of prokaryotic microscopic single celled organisms. They live in diverse…
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A: Step 1 Diagnosis is a discipline that identifies etiologic agents of disease. A specimen is mainly a…
Q: How do Gram-negative bacteria differ from Gram-positivebacteria?a. They are not pathogenic.b. Their…
A: Introduction: Bacteria are single-celled living beings. Bacteria are discovered wherever on Earth…
Q: What arethe different types of endospores as to their location inthe cell?
A: The endospore is developed by few bacteria of the Firmicutes phylum. Endospores allow bacteria to…
Q: What type of bacterium can be oxygen dependent or independent.
A: There are various physical factors that affect the growth of bacteria. Factors like oxygen…
Q: Why is direct examination of patient samples particularly usefulwhen diagnosing a mycotic infection?
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A: AIDS, also known as (acquired immunodeficiency syndrome) is definitely one of the deadliest diseases…
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A: Microorganisms are small organism that cannot be seen by naked eyes. Microorganism such as bacteria…
Q: What do you mean by septa in fungus?
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Q: Why would a mold secrete an antibiotic?
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A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Which key feature of the bacterium Bacillus anthracisallows this organism to persist for extended…
A: Bacillus anthracis belongs to the genus Bacillus and is an obligate pathogen. It is a known agent of…
Q: Explain why Bacillus, Clostridium, and Mycobacterium are foundin separate groups despite all being…
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Q: d) Since we know this bacterial organism thrives in colder areas of the world, what can be said…
A: Bacteria are present everywhere in the world, including cold environments. Certain types of bacteria…
Q: Why do you think an infection caused by an endospore former might be harder to treat than one caused…
A: Microorganisms detect and adapt to changes in their surroundings. When favoured nutrients are…
Q: What term is used to describe the unique molecules found onthe surface of different pathogens?
A: Step 1 Pathogens are disease-causing organisms or parasites. Pathogens have a specific point of…
Q: What causes the viral plaques that appear on a bacterial lawnto stop growing larger?
A: Viruses are microscopic agents that can replicate only inside the host cells. They can infect all…
Q: a. What is the role of spores in infections?b. Describe the general distribution of spore-forming…
A: SPORES - Frankein and Bradlay in the year of 1957 found the spores in a majority of species of…
Q: Whitch organism is this?
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Q: Explain how some bacterial cells may be just as dangerouswhen they are dead as when they are alive.
A: Bacteria are very small living beings that can not be seen by naked eyes. A few living groups can…
Q: Of what value is the squid–Aliivibrio symbiosis to the squid?To the bacterium?
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A: Any infection to take place in the host's body comes with the fact that the pathogen should be…
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Q: Bacterial endospores function ina. reproduction c. protein synthesisb. survival d. storage
A: The microbiology studies about both the diseases causing microbes and beneficiary microbes, about…
Q: a. How are bacterial endospores and cysts of protozoa alike?b. How do they differ?
A: Endospores are the special types of spores formed by some genera of gram-positive bacteria,…
Q: List four diseases caused by spore-forming bacteria.
A: Microbes, for example, the Bacillus and Clostridium species can shape spores. These spores, likewise…
Q: Geneticists Identify Mutant Bacteria bythe Presence or __________ of ColoniesUnder Specific Growth…
A: Geneticists perform regular mutation analysis on bacteria and develop different mutant bacteria.…
Q: What are some humandiseases caused by bacteriaand what are their respectivemodes of transmission?
A: Various microorganisms are responsible for infectious diseases, E.g.bacteria,viruses, fungi,…
Q: What kinds of clinical speciments may yield a mixed flora in bacterial cultures?
A: Mixed flora is defined as the presence of commensal flora of the urethra i.e contaminants and mixed…
Q: Could a bacteria gram stain one way before infecting someone then gram stain the way after it has…
A: In medicinal microbiology, differential stains are to dye different cells to make them…
Q: As revealed by different colony types, would there be a different species of bacteria/microorganism…
A: By providing nutrients and optimal growth conditions, microbes can be grown in lab. In case of…
Q: Why inoculate from just a single colony?
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Q: Bacterial cells having flagella attached at both ends of the cell are called: a. bitrichous b.…
A: The flagellum is a helical-shaped structure found in some bacteria that is made up of a protein…
Q: Which among statements A-D is not applicable to endospore formation?
A: Endospore is a highly resistant non-reproductive structure developed by gram positive bacteria…
Q: ame the organism shðwh in
A: This is a permanent mound of Peramecium. Peramecium is a unicellular eukaryote which belongs to…
What risk would a spore-forming bacterial species
run if it did not produce any spores until conditions
became adverse?
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- Besides taking antibiotics, what other factorsmight influence the numbers andtypes of microflora in your body?Why do you think an infection caused by an endospore former might be harder to treat than one caused by a non-spore former?What is/are the usual habitat(s) of endospore-forming bacteria thatare agents of disease?a. intestines of animals b. soil c. water d. foods
- A pathogenic bacterium’s toxin causes symptoms thatincrease the bacterium’s chance of spreading from hostto host. Does this information indicate whether thepoison is an exotoxin or endotoxin? Explain.How large can a bacterium be? How small? Why is itthat we likely know the lower limit more accuratelythan the upper limit?The structures that enable some Gram-positive bacteria to remaindormant for extremely long periods of time are known asa. akinetes. b. endospores. c. biofilms. d. lipopolysaccharide envelopes. e. pili.
- What is/are the usual habitat(s) of endospore-forming bacteria that are agents of disease? a. the intestine of animals c. water b. dust and soil d. foodsBacteria are capable of rapid ______________, and as a resultthese organisms vary enormously in size, shape,metabolism, and the habitats to which they have adapted.As revealed by different colony types, would there be a different species of bacteria/microorganism that can be found in any given environment?