J.C. REVY, ISM / SCIENCE PHOTO LIBRARY J.C. REVY, ISM / SCIENCE PHOTO LIBRARY
Molecular computer graphics representation of taka amylase, an enzyme. This image shows the smoothed surface of the molecule's structure (blue) with the atomic backbone in red. Amylases are a group of related enzymes that break down starch, glycogen and other polysaccharides. Plants contain both the alpha and beta types of amylases; animals possess only the alpha form, found in pancreatic secretions and (in humans) in saliva. Amylases break the long polysaccharide chains, leaving a mixture of the sugars glucose and maltose.
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