What type of pathogen caused the Black Death, and how is it transmitted to humans? What is the causative agent for Hepatitis A? What are opportunistic infections? What is a virus that infects bacteria called? W
What does it mean to be a pathogenic organism? What is bacterial dermatitis? What germ layer is the mesothelium in? Which pathogen (Staphylococcus epidermidis or E. coli) is able to grow on Blood Agar plate and why? Is this type of agar serving as differential, as selective, or as both...
Yogurt is a well-known food source of probiotics, beneficial bacteria that promote health. Certain strains of bacteria in yogurt have ß-D-galactosidase, which is an enzyme that helps break down lactose in dairy products into the sugars glucose and galactose. A lack of this enzyme causes lact...
Once Dr. Doudna and Dr. Charpentier revealed the molecular mechanism that enabled the natural CRISPR-Cas9 system to cut DNA, the next question was obvious: if Cas9 is given a different guide RNA sequence, could it be used to create cuts at any desired location in an organism’s genome? Th...
pathogenic properties and, through medical practices and lifestyle changes, their prevalence in human populations is changing, often to an extreme degree. In this Essay, we propose that the disappearance of these ancestral indigenous organisms, which are intimately involved in human physiology, is not...
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Rather than being caused by a conventional micro-organism, the primary pathogenic event consists of the transformation of a normal protein (the prion protein) into an abnormal form, which can transmit disease. Prion disease is endemic in humans and sheep where it is associated with polymorphisms ...
"Amoeba" is a term that describes a simple eukaryotic organism that moves in a characteristic crawling fashion. However, a comparison of thegeneticcontent of the various amoebas shows that these organisms are not necessarily closely related to each other. ...
What is the causative organism of chickenpox? What does it mean to be a pathogenic organism? What infectious disease is caused by a protozoan? What is the causative agent of influenza? What is the causative agent of elephantiasis? What is a viral disease caused by? What microorganism causes ...
What is pathogenicity in plant pathology? What is an example of seeds that scatter by bursting? What is a diadelphous stamen? What soil is suitable for horticulture? What does della stand for in plant biology? What is pomology in horticulture?