| Mitochondria | |
| Mitochondria are the site of tricarboxylic acid (TCA) cycle activity and the generation of ATP by electron transport and oxidative phosphorylation | |
| Mitochondria have both an inner membrane and an outer membrane enclosing a fluid matrix | |
| 1 | The inner and outer membranes have different lipids and enzymes |
| 2 | The enzymes of the TCA cycle and the b-oxidation pathway for fatty acids are located within the matrix |
| 3 | Electron transport and oxidative phosphorylation occur only on the inner mitochondrial membrane |
| Mitochondria use their own DNA and their own ribosomes to synthesize some of their proteins; mitochondrial DNA and mitochondrial ribosomes are similar to bacterial DNA and ribosomes in terms of size and structure; mitochondria reproduce by binary fission | |