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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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This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..

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Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..

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Developmental Biology

Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..

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Temperature Regulation in Animals

This tutorial elucidates body temperature regulation. Know the details here to learn how the body sets the body temperat..