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Explain the Escherichia - Characteristics of Bacteria?
It belongs to order Enterobacteriales. It is the best-studied organism present in the colon of humans and other warm-blooded animals. It is commonly employed in research and used as indicator in analysis of water and food for faecal contamination.
Escherichia is gram negative, non-sporulating straight rod, if motile peritrichously flagellated. These are facultative anaerobes, oxidase negative and have simple nutritional requirement. These carry out mixed acid fermentation. Escherichia sp. may play a nutritional role in intestine by synthesizing vitamins and also help in making large intestine anoxic. Usually Escherichia is not pathogenic, but some Escherichia sp. cause gastroenteritis, urinary tract diseases and also serious food borne diseases. Do you recall reading about E. coli O157:H7? This can cause serious form of illness.
Q. In high altitudes is it necessary for the blood to have less or more hemoglobin? In high altitudes the oxygen concentration and air is rarefied is lower than in low altitude
What is plant transpiration? What are the two main types of plant transpiration process? Which of them is more significant in volume? Transpiration is the loss of water from th
What is the mode of nutrition of Ascaris?
Q. What are imago and nymph? Nymphs are larvae of hemimetabolic insects (like grasshoppers). They are very similar to the adult insect although smaller, In holometabolic insect
What is the relationship between the following scientific terms: hypothesis, a theory, and a natural law?
Define Glycogenolysis Glycogenolysis : degradation of glycogen.
Wildlife - Ecology The term wildlife probably originated in 1913 in a book, Our Vanishing Wildlife by William Hornaday, Director of the New York Zoological Park. The main focu
Crustaceans - Hormones in Growth and Reproduction Arthropods have a tough and frequently hard exoskeleton made up of cuticle composed of chitin and protein. The cuticle impose
Class adverse effects of NNRTI All NNRTIs can cause a rash that is sometimes severe. NNRTIs are metabolized by and can affect hepatic CYP 450 isozymes; drug interactions can o
Explain the term of Monosaccharides? Monosaccharides : The simplest carbohydrates are Monosaccharides, simple sugars. These generally have three to six carbon atoms, and con
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