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State the similarity between Shigella and Salmonella
There are many points of similarity between Shigella and Salmonella. They dwell primarily in the gastrointestinal tract, with optimum temperature of 37ºC, grow both aerobically and anaerobically they grow freely in warm, bland, moist foods. But unlike salmonellae, the shigellae have no flagella and thus are non-motile. The species involved are Shigella sonnei, S. ysenteriae, S. flexineri and S. boydii. As few as 10cfu of S. dysenteriae are known to initiate infection in susceptible individuals. The organisms tolerate salt concentration of 5-6% and are relatively heat sensitive.
Atherosclerosis, the most common part of hardening of the arteries, is characterized by the presence of cholesterol-rich arterial thickenings (atheromas). This progressive diseas
What is determined by tube feet? Hollow and fluid-filled tubes which are part of the water vascular system in Echinoderms. Muscles associated with tube feet allow them to be hy
What are the three phases into which the HIV infection is often divided? The HIV infection is often separated into three phases: the acute phase, from the infection to 1 until
meaning of the law of inertia
State the term in broad - Lunule. In sand dollars, notches or holes which pass through the body of the animal. Their function is not fully understood though may be involved in
#Most of the world''s flightless birds are either nocturnal and secretive (e.g. the kagu) or large, swift and well-armed (the ostrich). The exceptions are found primarily on island
different type of respiration in animals
Explain Functions of Ascorbic Acid? Vitamin C is easily oxidized, and the majority of its functions in vivo rely on this property. It plays a key role in the body's synthesis o
Medical Research - Conservation of Wildlife Many animal species are used to test drugs and vaccines and to increase our understanding of human health and disease. The nine-b
importance of pyramid of energy to the ecologist
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