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Animal starch --> glycogen

(Science: biochemistry) Branched polymer of D glucose (mostly _(1-4) linked, but some _(1-6) at branch points).

size range very variable, up to 10exp5 glucose units. Major short term storage polymer of animal cells and is particularly abundant in the liver and to a lesser extent in muscle. In the electron microscope glycogen has a characteristic asterisk or star appearance. One form in which body fuel is stored; stored primarily in the liver and broken down into glucose when needed by the body.