What are facts which prove that all cells are autonomous?

cbse
unit-of-life

#1

All cells are autonomous because of the following facts
(i) Each and every cell converts non-living materials into components of living matter.
(ii) Each cell builds up its own macromolecules from micromolecules.
(iii) All cells obtain or manufacture food.
(iv) A cell always builds up new structure to replace the worn out ones.