If the pneumonia is caused by bacteria , could you use Koch's postulates? In which case of bacterial pneumonia, could you NOT use Koch's postulate?

Q: Why do we think that LUCA was RNA-based rather than DNA?

A: The most recent population from which all currently existing organisms on Earth derive their common…

Q: Name two or more situations where Koch’s postulates are impossible to complete? In other words, what…

A: Robert Koch defined four criteria for identifying the causative agent of a specific disease, which…

Q: What do the terms host cell and host range mean?

A: Parasitism is a symbiotic relationship, in which one species benefits at the expense of the…

Q: During this outbreak, some people sickened with listeriosis testedpositive for Listeria…

A: The strain of the pathogen that causes infection can be different in different individuals. During…

Q: where did dengue virus name came from? what is the scientific name?

A: Dengue is an severe viral infection that can cause severe complications. The fever caused by Dengue…

Q: Consider the photos here which demonstrate antibiotic sensitivities of Staphylococcus aureus strains…

A: Antibiotics are medications that are used to treat infections caused by microorganisms such as…

Q: Griffith's Experiments using Streptococcus pneumonia rough and smooth strains concluded which of the…

A: Streptococcus pneumoniae also known as pneumococcus, is a Gram-positive spherical-shaped bacterium…

Q: 49) Orf virus belongs to the parapoxvirus genus and it's a zoonotic virus : True / False 50) the…

A: * The orf virus is DNA virus with about 134kbp to 139kbp size and consists of a large coding region…

Q: osaic disease was NOT caused by a bacteria?

A: The virus can be defined as the submicroscopic infectious agent that can replicate inside the living…

Q: A. What are the 4 “Koch’s Postulates”?   B. Are they still valid today? How would we use them to…

A: Robert Koch was a German physician and microbiologist. He was discoverer of the specific causative…

Q: List the main features of Koch's postulates and then explain how it's difficult to prove them for…

A: Disease  Disease is a kind disorder that affect plants animals, as well as humans. The disorder may…

Q: Compare and contrast bacteriophage plaques with bacterial colonies.

A: A phage is consists of protein capsid and nucleic acid. A protein sheat that is contractile and…

Q: List Koch’s postulates, and compare them to the Molecular Koch’s postulates.

A: Robert Koch was a German physician and bacteriologist, who illustrated postulates for deciding…

Q: Who discovered Varicella-zoster virus (VZV)?

A: Introduction  A virus is an infectious microorganism made up of a protein-coated segment of nucleic…

Q: what reasons do they provide to support their thesis?

A: The theory by Faden and Beauchamp links to the bioethical or medical ethics  idea of informed…

Q: Enlist the plausible explanation for the cloudy spinal fluid but the panbacterial PCR results in…

A: Meningitis is the name for the medical disorder in which protective membranes, such as those…

Q: What would be the advantage of using stratified over quota sampling in this scenario?

A: The method of sampling that involves the division of a population into smaller subgroups (strata) is…

Q: The emergence of new cases of polio linked to the oral vaccine had been reported in a number of…

A: Yet some immunization efforts deliver the very rare hazard of causing polioviruses to flow into…

Q: Why are Koch’s postulates not sufficient to establish the cause of all infectious diseases?

A: Koch's postulations are the criteria developed to establish between the microbe and disease. Robert…

Q: Which vaccines were developed by Pasteur?

A: Vaccination refers to an immune response to specific illnesses generated by the administration of…

Q: Why is it difficult to develop a universal flu vaccine?

A: A universal flu vaccine refers to the type of vaccine that will be functional against all kinds of…

Q: In details, describe how members of the genus Clostridium cause disease.

A: Disease is defined as the negative state or condition that affect the body and affect normal…

Q: What are the 4 Koch's Postulates? Explain them.

A: Koch is a microbiologist who have given the relationship between a causative organisms and disease…

Q: The epidemiological or disease triangle is a model of disease causation that proposes three factors…

A: Disease biology is a vast area that deals with the emergence and spread of an infectious disease.…

Q: Describe the experiment done by Frederick Griffith in 1928, where the non-lethal (rough) strain of…

A: Frederick Griffith  was a British bacteriologist.He was a physician, pathologist and a…

Q: The first virus studied that led to the term "filterable virus" was rabies?

A: Filterable virus is a virus that is very tiny so that they can pass through a fine-pored filter like…

Q: 1) Which of the following apply(ies) to Bacillus cereus and Bacillus anthracis? Choose all that…

A: Bacillus is a genus of Gram-positive, bacilli, or rod-shaped bacteria. B. anthracis is the causative…

Q: The word _________ refers only to living species.a) Clone b) Gene c) Allele d) Vaccine

A: Anything can be considered living if it shows the following characteristics; growth, movement,…

Q: can you explain why Bacillus anthracis can be pathogenic in a mouse and not be fought off by the…

A: Anthrax, a severe infection originating from the bacterium Bacillus anthracis, is a matter of…

Q: Name three bacterial species that is contributing to advancing medical therapy and indicate each…

A: It is rightly said that bacteria are our enemy as well as friends. They help in various purposes…

Q: It was not until 1928 that penicillin, the first true antibiotic, was discovered by Alexander…

A: Penicillium was discovered in 1928 by Alxender fleming , it was the first discovered antibiotic. Due…

Q: What does Bergey's Manual of Determinative Bacteriology mention about the Genus Escherichia?

A: Bergey's Manual is a book that helps you learn about bacteria and tells you how to identify and…

Q: An inter-strand grouping of students is working on a study about the Copper-infused materials…

A: Several heavy metals have the potential to inhibit the growth of the microbes, virus or the bacteria…

Q: Name three taxa of bacteria that are downregulated in CF patients and list their phylum.

A: Cystic fibrosis (CF) is a genetic disorder that primarily affects the respiratory and digestive…

Q: The epidemiological or disease triangle is a model of disease causation that proposes three factors…

A: The disease triangle a tool for understanding how infectious diseases occur in populations and how…

Q: What is an inclusion body? Why is it important in the diagnosis of viral infections? For example,…

A: When a virus or any other disease-causing agent enters into a host cell such as a bacterial cell or…

Q: Although the virus that causes smallpox has been eradicated, there are still stocks of the virus,…

A: The objective of the question is to understand the reasons why someone might argue for the…

Q: Which key factor, during Robert Koch’s research, played a major role in the development of his four…

A: Introduction: The individual R.K provided many remarkable contributions to the microbiology field.…

Q: Is it proper to list genus in this way in the example sentence below? The potential identity of the…

A: The binomial nomenclature system is a formal and official way of naming living organisms. As the…

Q: Bacterial species that are harmful, as well as others that are beneficial, are found living in the…

A: Antibiotic sensitivity testing or antibiotic susceptibility testing is the measurement of the…

Q: Explain one of the mechanisms discussed in class by which a person’s genetics may be correlated with…

A: Every person has a specific microbiome in his gut. It completely depends upon the type of food and…

Q: What were Koch’s postulates?

A: Robert Koch was a German physician who considered the father of Medical microbiology. He is a Noble…