Thermogenin is present in: (A) Cytoplasm, (B) Mitochondria, (C) Ribisome, (D) Nucleus
Answer is B. Thermogenin, a protein present in the inner mitochondrial membrane of adipocytes, provides an alternate pathway for protons. It is one of the uncoupling proteins (UCP).Ref: DM Vasudevan Textbook of Medical Biochemistry, 6th edition, page no: 234