ChloroplastClassic240.jpg (13660 bytes)
TEM Image of the "classic" Chloroplast. Note the complex  membrane system.
(U of Wis.)

GranaLowMag250.jpg (28398 bytes)
The internal membrane system is composed of Thylakoids. These can form Grana. The light harvesting pigments and the Electron Transport System are located in an organized fashion on the thylakoids.
(U of Wis.)

 GranaHiMag160.jpg (23322 bytes)
The Protoplasm in a Chloroplast is called the Stroma. It contains Ribosomes, DNA and many enzymes. A small starch grain (S) is visible near the bottom of the frame. 
(U of Wis.)

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