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Genes are expressed through the process of protein synthesis. This elaborate tutorial provides an in-depth review of the..

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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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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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Freshwater ecosystem is comprised of four major constituents, namely elements and compounds, plants, consumers, and deco..

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A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..

Origins of Life on Earth
Origins of Life on Earth

Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..