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Q. Can you explain Cholera?
Cholera is one of the diseases which had caused epidemics all over the world. The organism which causes the disease is Vibrio cholerae. It is an aerobic, facultatively anaerobic, straight or slightly curved, short, gram-negative, oxidose-positive rod with a single flagellum.
The K cholerae produces a heat-sensitive enterotoxin while growing in the human intestine. It causes the characteristic cholera symptoms including 'rice water stool'. The toxin is heat labile. The incubation period of cholera ranges from a few hours to 5 days but usually between 2-3 days. The symptoms include abrupt onset of vomiting and watery diarrhoea. Diarrhoea has a rice water appearance, where the stools look like water with flecks of rice in it hence the name 'rice water stool'. Dehydration may be followed, causing death in some cases, if prompt electrolyte supplementation is not provided. Antibiotic treatment helps in reducing the duration of the disease by killing the organisms before they become bound to mucosa.
URINIFEROU S TUBULE - Unit of kidney. 3-5 cm. long (30 mm). Total length of nephrons is 65 km. A tubule consists of - 1 . Malpighian capsule (
Clathrin-coated pits and vesicles are included in both the endocytosis of material at the plasma membrane and the exocytosis of proteins from the Golgi apparatus. Electron
If sugar is heavier than aspartame, then the can of regular soda will sink. How will you test this hypothesis? Write brief descriptions of how you could test?
skeleton of protozoans
Sticky sweet method Richwil crown and bridge remover -It is a resin block of water-soluble , like a stick sweet -It is first softened in hot water -Placed on the restorat
What is adaptive radiation? The Adaptive radiation is the appearance of several other species from one common ancestral species that have spread to various regions or environme
Iron deficiency Iron plays an essential role in oxygen transport in the body as a constituent of haemoglobin where nearly 60% of the body iron is found. Apart from oxygen tran
Q. What is the respective importance of water, carbon and nitrogen for living beings? Water is the major solvent of living beings and it is necessary practically for all bioche
LOCOMOTIO N IN OCTOPUS - From the ends of arms or ex-current siphon water is throughn with speed, opposite to it animal moves.
Explain Precautions for Detection of Metanil Yellow? 1. One should be careful while using concentrated HCl otherwise it may result in burn. 2. Amount of concentrated HCl in
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