Mitochondria and Chloroplasts, organelles

Chloroplasts are organelles found in the broccoli's cells, along with those of other plants and algae. ... Mitochondria are found inside of your cells, along with the cells of plants. They convert the energy stored in molecules from the broccoli (or other fuel molecules) into a form the cell can use.

answer; ///(b) it is composed of four protein chains and four heme groups;