The common size of a glycogen device is really a cytoplasmic granule containing more than 100000 glucose molecules. The addition of a glucose-one-phosphate to a different (or to some glycogen chain) is energetically unfavorable, so it needs to be coupled which has a sufficiently exergonic reaction to move forward. https://travisssmfy.onesmablog.com/not-known-factual-statements-about-barbara-o-neill-70740598