which organelles are the sites of photosynthesis?
Introduction. Both mitochondria and chloroplasts have inner and outer membranes, their own DNA, and divide prior to cell division. Mitochondria, found in all eukaryotic cells, are the sites of aerobic respiration. Chloroplasts are the sites of photosynthesis in plants and algae. 1  Mitochondria-Membranous organelle in which aerobic cellular respiration produces the energy carrier ATP. 2  Chloroplasts-Membranous organelle that contains chlorophyll and is the site of photosynthesis.