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Proteins

Myoglobin, a protein. Source AzaToth for Wikipedia.

Proteins are the chief actors within the cell, said to be carrying out the duties specified by the information encoded in genes. Proteins are the main construction and assembly materials of all cells; they carry out vital tasks in our organism.

Outstanding duties are carried out by a special kind of protein – the enzymes. Enzymes steer all metabolic processes in the human body as a so-called biological catalyst. All nutritions consumed by a living cell, such as protein, fat and carbohydrates are synthesized by these enzyme-proteins.