They can be used to contain cellular waste and to isolate materials that may be harmful to the cell.
A nucleus consists of a nuclear membrane that surrounds it, within the membrane there is a nucleolus which can be compared metaphorically to the yolk of an egg in appearance. The nucleolus is surrounded by nucleoplasm which is quite like the cytoplasm.
Glycogen stored mainly in the liver
I hope that's help !
...to go from mouth to anus varies from 24 to 72 hours.
