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chloroplast

A Dictionary of Plant Sciences | 1998 | | Â© A Dictionary of Plant Sciences 1998, originally published by Oxford University Press 1998. (Hide copyright information) Copyright

chloroplast A biconvex or planoconvex plastid, typically 5–10 μm long and 2–3 μm wide, that has a complex internal structure comprising stacks of membranaceous discs (grana) that bear photosynthetic pigments embedded in a matrix (stroma). It is a semi-autonomous organelle, which contains some genetic material and has some ability to direct the synthesis of its own proteins.

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MICHAEL ALLABY. "chloroplast." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 27 Nov. 2009 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "chloroplast." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (November 27, 2009). http://www.encyclopedia.com/doc/1O7-chloroplast.html

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