Mitochondrial structure and function

Outer membrane Enzymes responsible for oxidative phosphorylation reside on the inner membrane. Complex II lntermembrane space , Complex _-" _ .. Inner membrane — a, "I Q Matrix Cytochrome _~ - V C a ““‘ Tat RNAse P , M translocase Reactions of the Krebs Heme cycle occur in the matrix, lyase as do several other , biosynthetic pathways. Oxa1 "" translocase % EF-Tu Ribosome Complex V Ribosomal RNA and a few proteins (blue) are always encoded by the mitochondrial genome, other products (purple) are always encoded by the nuclear genome, and still others (orange) may be encoded by either genome depending on the species.