Which is the only non-protein member of ETC ?: (A) Cytochrome c, (B) CoQ, (C) Complex V, (D) Complex II
Answer is B. ETC has: five protein complexes- Complex I to V two mobile electron carriers - Co Q/ubiquinone and cyt c All complexes and cytochrome c are proteins except CoQ Coenzyme Q not a protein. hydrophobic, lipophilic compound made up of isoprene units, present within the inner mitochondrial membrane. anti-oxidant Cytochrome c is the only member of ETC, not lying in IMM