Function of mitochondrial DNA: (A) Encodes protein of cell membranes, (B) Encodes proteins of respiratory chain, (C) Helps in cell replication, (D) Formation of rRNA
Answer is B. Mitochondria contains specific DNA .The integral inner membrane proteins ,are made by mitochondrial protein synthesizing machinery. However, the majority of proteins,especially of outer membrane are synthesized under the control of cellular DNA. The division of mitochondria is under the command of mitochondrial DNA. REF :DM VASUDEVAN TEXTBOOK ; 7thEDITION ;PAGE NO :13