2 Membranes (inner and outer membrane with embedded proteins)
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What is the third membrane system called?
The thylakoids membranes
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What is a grana?
They are stacks of thylakoids on top of one another
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What are the grana connected by?
Intergranal lamellae
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What are present on the thylakoid membrane?
Photosystems, ETC and ATP synthase complexes
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What fluid does the inner membrane enclose?
Chloroplast stroma
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What reaction do the enzymes catalyse in the stroma?
The Calvin cycle
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What kind of DNA is present in the stroma?
Circular DNA
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What kind of ribosomes are present in the stroma?
70s ribosomes
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What else is found in the stroma?
Starch grains
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What is the function of chloroplasts #1
It is the site of photosynthesis
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What is the function of chloroplasts #2
Light-absorbing pigments of photosynthesis embedded in the thylakoid membranes are involved in the conversion of light energy to chemical energy during the light-dependent stage
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What is the function of chloroplasts #3
Sugar is formed in the stroma from 3-Carbon compounds produced during the Calvin cycle
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