are the power plant of a cell. The mitochondria are cells based within a cell that turn nutrients from chemical form into a more simple and usable substance for a cell to use as energy. These sausage-shaped organelles are not a true organelle, but more of a parasite that invaded primordial cells and evolved along with them. A mitochondrian’s main purpose is to burn energy through a slow method of combustion, which will consume as much air to burn as fire will, just to break down nutrients into simpler substances. These simpler molecules t ....