Answer:
The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.
the mitochondria breaks down chemical fuel into packets of chemical energy that can power the cell
They take over the photosynthetic process for the plant.
