photosystem
/ˈfoʊtoʊˌsɪstəm/
noun
- A group of proteins and pigments in plants and algae that captures light energy for photosynthesis.
- Photosystem II is the first protein complex in the light-dependent reactions of photosynthesis.
- Researchers are studying photosystems to improve solar energy technology.
- Damage to a photosystem can slow a plant's growth.