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Biology Review
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Outer Membrane
protects chloroplast and controls molecule movement
Intermembrane space
allows exchange between membranes
Inner membrane
selective transport and supports proteins
Stroma
enzymes for calvin cycle and contains DNA and ribosomes
Granum (grana)
stacks of thylakoids and large surface area for light reactions
Thylakoid
site of light dependent reactions and contains chlorophyll
Lamella
connects grana and allows transfer of electrons
Lumen
generates proton gradient for ATP synthesis
Double membrane
controls movement of substances
Chlorophyll pigments
absorbs light energy for photosynthesis
Own DNA and ribosomes
allows synthesis of photosynthetic proteins
Compartmentalization
increases efficiency of photosynthesis