Cell Component
photosystem Audio
pho·to·sys·tem
Definitions related to photosystem:
  • A complex located in a photosynthetic membrane that consists of a photoreaction center associated with accessory pigments and electron carriers. Examples of this component are found in Arabidopsis thaliana and in photosynthetic bacterial and archaeal species.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • Multimolecular complexes found in membranes of chloroplasts and involved in the light reactions of photosynthesis; PSI consists of chlorophyll a bound to protein and generates NADPH; PSII consists of chlorophylls a and b bound to protein and generates molecular oxygen from water.
    CRISP Thesaurus
    National Institutes of Health, 2006
Try this search on: Farlex, Merriam-Webster, Oxford Dictionary, or Wordnik

This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.