 ##  [Chloroplast](/chloroplast) 

  ##  [Chloroplast](https://natural.quantumdictionary.io/chloroplast-0) 

  
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**Natural &amp; Formal Sciences Dictionary**

 
Definition

A photosynthetic plastid in plants and algae containing thylakoid membranes with chlorophyll and other pigments; it performs light‑driven reactions to produce ATP and reducing power, and hosts the Calvin cycle and other biosynthetic pathways for carbon fixation and metabolite synthesis.