EXPLAIN GRANA AND STROMA
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grana and stroma are present in chloroplast and it is chichen house of plant
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- Grana are stacks of membrane-bounded, flattened discoid sacs called thylakoids containing the molecules of chlorophyll. They are the main functional units of chloroplasts.
- Stroma is the homogenous matrix in which grana are embedded. The stroma contains a variety of photosynthetic enzymes, starch grains, DNA and ribosomes.
- Granum is the site of the light reaction during photosynthesis while stroma is the site of dark reaction.
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