It's pretty much a factory that builds bigger proteins from smaller proteins and packages them for later use in the cell or for transportation outside of the cell.
They make proteins like a champ.
It's made up of water, salts, and proteins, and it surrounds all the cell's organelles.
ChromosomeSmooth endoplasmic reticulumNucleus
The nucleus stores the cell's genetic info and pretty much runs the show in terms of all the cell's activities.
It's the powerhouse of the cell, of course.
Nuclear envelopeNuclear poreCentriole
These bad boys form centrosomes, which help with cell division.
It keeps all that cell stuff in.