Polysaccharide definition, a carbohydrate, as starch, inulin, or cellulose, containing more than three monosaccharide units per molecule, the units being attached to each other in the manner of acetals, and therefore capable of hydrolysis by acids or enzymes to monosaccharides. See more.
Extinct 'Godzilla' platypus found in Australia. An artistâs impression of a newly discovered species of an extinct platypus, Obdurodon tharalkooschild, discovered in Queensland and a photo (inset) showing the tooth of the platypus. (AAP)
Elasmosaurus platyurus was the first of several species of the very long-necked plesiosaurs (elasmosaurs) to be discovered and described from the late Cretaceous deposits in western Kansas, the Midwest and elsewhere in North America.