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Galvanotaxis - Modes of Cell Movement
Galvanotaxis considers to the movement of cells in response to a potential variation between cells. It is suggested that there are voltage differences among embryonic regions that could play an important role in morphogenesis. Minute electric fields of the order of 10 to 100 mv/mm appear to be enough to alter the direction of nerve growth. Nuccitelli and Erickson (1984) displayed that embryonic chick fibroblasts migrate toward negative pole when cultured in small steady electrical field. Early chick embryos, regenerating blastema of amphibians and moth ovaries while transportation of yolk proteins occurs, arc some of the structures where large electric currents have been detected.
Conservation of biodiversity is very important to maintain the ecological balance of ecosystem. Various steps for conservation of biodiversity: 1. Creation of consc
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What is Cellular grade? Explain in brief. Organisms with this kind of cellular organization are referred to as the parazoan. They have distinct cells which function independent
Explain Canning (temperature above 100° C) - method of food preservation? Canning is the process in which the foods are heated in hermetically sealed (airtight) jars or cans t
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Explain what is Aortic Arch Aneurysm ? Aortic Arch Aneurysm : Hypothermic circulatory arrest and retrograde cerebral perfusion is the most commonly used technique for
How is opening and closing of stomata controlled? Describe a) Why is the length of a food chain in an ecosystem generally limited to 3 - 4 trophic levels? Explain with an examp
Chronic Aortic Regurgitation : Several factors have to be taken into account before recommending surgery. These include severity of symptoms and LV function. With evidence o
Explain functional properties of protein hydrolysis Hydrolysis of food proteins using proteases (trypsin, chymootrypsin, papain and thermolysin) alters their functional propert
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