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- DictionaryChlo·ro·plast/ˈklôrəˌplast/
noun
- 1. (in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place.
noun
Chlorophyll-containing plastid with thylakoids organized into grana and frets, or stroma thylakoids, and embedded in a stroma
A chloroplast is a type of membrane-bound organelle known as a plastid that conducts photosynthesis mostly in plant and algal cells. The photosynthetic pigment chlorophyll captures the energy from sunlight, converts it, and stores it in the energy-storage molecules ATP and NADPH while freeing oxygen from water in the cells. The ATP and NADPH is then used to make organic molecules from carbon dioxi... Wikipedia