Chloroplasts are the organelles that are only found in plant cells. It produces energy for the cells. Chloroplasts have an outer membrane, inner membrane, stroma and thylakoids. The purpose of chloroplasts is to make food. The photosynthesis equation is 6H0+6CO2+light----> C6H12O6+6O2. Photosynthesis is the conversion of light energy to carbohydrates. The structure of the chloroplast is shaped like a pill. Inside it has an inner membrane. Inside there are stacks of thylakoids, a stack of thylakoids makes a granum.
Video: http://www.youtube.com/watch?v=OF_F9cAvLlQ&safe=active
Video: http://www.youtube.com/watch?v=OF_F9cAvLlQ&safe=active