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Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...

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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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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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Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..

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