what are grana?what role do they play?
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Grana are stack like structures called thylakoids present in chloroplast. they are disks where the light dependent reactions takes place. this grana contains a pigment called chlorophyll which is necessary for photosynthesis. when light fall down on these pigment, they breakdown water molecules and release oxygen as their by product.
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grana are embebded parts of choloroplast
they are stocks of things which alter the molecular activity in the plant choloroplast .
they are stocks of things which alter the molecular activity in the plant choloroplast .
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