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Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..

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Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiologic..

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This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

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Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..

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The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..