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Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..

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Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

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Movement of Molecules Across Cell Membranes

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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The Hominids

The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

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Chromosomes X and Y and Sex Determination

This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..