Mitochondria

Mitochondria are round, double membrane organelles that change stored in food into other compounds that are easier for the cell to use. A mitochondrian's inner layer is folded to save space. They are inherited from the female's egg.

Chloroplast

Chloroplast is found in plant cells. It has two, fluid separated membranes. It's inner membrane is folded into a network of flattened sacks called Thylakoids.
Chloroplast is a vital part in the photosynthesis process. It converts energy into chemical energy for nutrients.