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Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..

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The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

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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The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..

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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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IQ, Creativity and Learning

Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..