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

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Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..

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