Multiple choice bio-chemistry life processes in living organisms- part 1 microbodies living organisms and energy production single membrane bound organelles Which of the following is a phosphoryalting unit? Oxysome Vaculoes Peroxisome Mitochondria Reveal answer Fill a bubble to check yourself A Correct answer Explanation Oxysomes are found in inner mitochondrial membrane and also called ad $F _1$ or elementary particles. It contains enzymes ATP synthase responsible for synthesis of ATP. They act as phosphorylating unit.