noun Date: 1964 either of two photochemical reaction centers consisting chiefly of photosynthetic pigments complexed with protein and occurring in chloroplasts: a. one that absorbs light with a wavelength of about 700 nanometers — called also photosystem I b. one that absorbs light with a wavelength of about 680 nanometers — called also photosystem II

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Photosystem — Photosystems (ancient Greek: phos = light and systema = assembly) are protein complexes involved in photosynthesis. They are found in the thylakoid membranes of plants, algae and cyanobacteria (in plants and algae these are located in the… …   Wikipedia

  • Photosystem — Übergeordnet Thylakoid Untergeordnet Photosystem I Photosystem II …   Deutsch Wikipedia

  • photosystem — ˈtü noun Etymology: phot + system : either of two photochemical reaction centers occurring in chloroplasts that consist chiefly of photosynthetic pigments (as chlorophyll) complexed with protein which absorb light energy and convert it to… …   Useful english dictionary

  • photosystem — noun Either of two biochemical systems, active in chloroplasts, that are part of photosynthesis …   Wiktionary

  • Photosystem — Pho|to|sys|tem I, II ↑ Photosynthese …   Universal-Lexikon

  • photosystem — pho·to·system …   English syllables

  • Photosystem II — is the first protein complex in Light Dependent Photosynthesis. It is located in the thylakoid membrane of plants, algae and cyanobacteria. The enzyme uses photons of light to energize electrons which are then transferred through a variety of… …   Wikipedia

  • Photosystem II — Übergeordnet Photosystem Untergeordnet Photosystem II Reaktionszentrum Lichtsammelkomplex II …   Deutsch Wikipedia

  • Photosystem II light harvesting protein — Pfam box Symbol = PSII Name = Photosystem II protein width = caption = Pfam= PF00421 InterPro= IPR000932 SMART= Prosite = SCOP = TCDB = 3.E.2 OPM family= 2 OPM protein= 2axt PDB=PDB3|1s5lb:1 501 PDB3|2axtB:1 501Photosystem II light harvesting… …   Wikipedia

  • photosystem I — noun see photosystem …   New Collegiate Dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”