Question

what is chloroplast and vacuole?

Answer 1

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THESE ARE GREEN PIGMENT FOUND IN GREEN PLANT INVOLVED IN PHOTOSYNTHESIS .SO IT IS KNOWN AS KITCHEN OF THE CELL. CHLOROPLAST IS BOUNDED BY TWO UNIT MEMBRANE HAVING GRANA AND STROMA .GRANA ARE MEMBRANE BOUNDED SAC LIKE STRUCTURE FOUND IN STACKS FOUND IN STACKS CONTAINING CHLOROPHYLL MOLECULE .STORMA IS THE MATRIX PRESENT INSIDE THE CHLOROPLAST WHICH CONTAINS PHOTOSYNTHETIC ENZYMES AND STARCH GRAIN .GRANUM IS THE SITE OF LIGHT REACTION DURING PHOTOSYNTHESIS WHILE STROMA IS THE SITE OF DARK REACTION.

VACUOLE :-

IT IS FLUID FILLED SINGLE MEMBRANE BOUNDED ,DEAD ORGANELLES OF CELL .IN PLANT CELL IT IS LARGER IN SIZE BUT IN ANIMAL IT IS SMALLER IN SIZE.

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Answer 2

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● Vacules - The vacules is a membrane bound space found in the chloroplast. It contains water, sap , excretion products and other materials not useful for the cell.
The vacules is bound by a single membrane called as tonoplast .
In plants cell the vacules can occupy bup to 90% of the volume of the cell.

In plants, the tonoplast facilities the transport of a number of ions and other materials.




Chloroplast - The chloroplast contains chlorophyll and carotenoids pigments which are responsible for trapping light energy.



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