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The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..

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One of Mendel's law of inheritance is the "law of dominance". There are certain cases though that this pattern is not ob..

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This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..

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Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..

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This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..