For ten points, name the cellular organelle responsible for aerobic respiration.
The outer membrane is dotted with the protein porin, while ubiquinone and cytochrome oxidase complex line the folded inner membrane.  The double membrane is explained by the endosymbiont hypothesis which also helps explain the presence of self-replicating DNA, similar to that found in bacteria.  For ten points, name the cellular organelle responsible for aerobic respiration.
The outer membrane is dotted with the protein porin, while ubiquinone and cytochrome oxidase complex line the folded inner membrane.  
mitochondrion or mitochondria