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Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..

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Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..

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Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..

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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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The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..

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Non-Mendelian Inheritance

In this tutorial, find out more about certain types of inheritance that does not follow the Mendelian inheritance patter..