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Leaves are the major photosynthetic organ of a plant. Apart from that, they are also crucial to water movement. In this ..

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The Human Nervous System

The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..

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Genes are expressed through the process of protein synthesis. This elaborate tutorial provides an in-depth review of the..

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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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Soils

Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..

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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..