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Principles of Hormonal Control Systems
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Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

Independent Assortment and Crossing Over
Independent Assortment and Crossing Over

This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..

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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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A Balanced Diet – Carbohydrates and Fat

Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..

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This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..

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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..