Draw a cross-section of a chloroplast and indicate the locations of the following proteins and other structural features:
Outer membrane..........................Thylakoid lumen
Stromal lamella............................Photosystem I
Inner membrane...........................Photosystem II
Intermembrane space.....................Cytochrome b6f
Grana........................................CF1CF0-ATP synthase
Stroma.......................................Direction of proton pumping