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In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..

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Genetic Control – On and Off Genes

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Passive and Active Types of Immunity

Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..

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Sigmund Freud and Carl Gustav Jung

In this tutorial, the works of Carl Gustav Jung and Sigmund Freud are described. Both of them actively pursued the way h..

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Seed Plants

Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..

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Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..