JUAN GAERTNER / SCIENCE PHOTO LIBRARY JUAN GAERTNER / SCIENCE PHOTO LIBRARY
Insulin molecule, computer illustration. The red regions are the van der Waals radii of the aminoacids. The blue lines correspond to the amino acid structure of insulin. Insulin is a protein hormone that regulates the metabolism of carbohydrates and fats through the assimilation of glucose from the blood into the skeletal muscles and fat tissue.
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