Topic:chloroplast

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chloroplast

World Encyclopedia | Date: 2005

chloroplast Microscopic green structure within a plant cell in which photosynthesis takes place. The chloroplast is enclosed in an envelope formed from two membranes and contains internal membranes to increase the surface area for reactions. Molecules of the light-absorbing pigment chlorophyll are embedded in these internal membranes.


© World Encyclopedia 2005, originally published by Oxford University Press 2005.

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