Internal Structure:
The internal structure of chloroplast is vital to understanding its evolutionary roots and discovering its importance to the overall efficiency of the photosynthetic possess. Chloroplasts are relatively large organelles, ranging from 5 to 10 μm long (Cooper, 2000). Its internal structure as a whole, consisting of the stroma, granum, thylakoids, and the thylakoid space, mentioned above (Reece, Campbell, Cain, Urry, Minorsky, Wasserman & et al, 2011). The stroma is the dense fluid within the chloroplast itself. It fills the space surrounding the granum supporting the organelles disk like structure. Granums are large stacks of thylakoids. Thylakoids are elaborate connected membrane sacs that separate the stroma from other areas within the cell (Reece, Campbell, Cain, Urry, Minorsky, Wasserman & et al, 2011). The area inside the cell is known as the Thylakoid space. Within these membranes lies chlorophyll where photosynthesis takes place. These thylakoids are located within the leaf of the plants.