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Watch Atoms Alive online: Episode 1 Biomolecules

Introducing nucleic acids, lipids, proteins and carbohydrates. Starts with Earth 4 billion years ago and asks how could the chemicals of life have arisen? A simulation of the famous Stanley Miller experiment is shown. One of the oldest fossils, a stromatolite is shown. The first biomolecule was probably a self assembling polymer - a nucleic acid. DNA reproduction. Lipids and their role as cell membranes are discussed. Proteins - demonstration of an enzyme reaction. Carbohydrates are the main basis of cellular fuel.

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