Chloroplast (noun)

An organelle found in the cells of plants and algae that is responsible for photosynthesis, the process by which light energy is converted into chemical energy through the absorption of photons.

Origin:

From greek chloros (green) + plastos (formed).

Examples:

1. The chloroplasts in the leaves of plants are responsible for photosynthesis.
2. Chloroplasts have their own DNA and are thought to have originated as endosymbionts.
3. The chloroplasts are the site of the light-dependent reactions of photosynthesis.
4. The chloroplasts are the site of the light-dependent reactions of photosynthesis and the Calvin cycle.
5. Chloroplasts are essential for the survival of plants and algae.