• Thumbnail for Photosystem I
    Photosystem I (PSI, or plastocyanin–ferredoxin oxidoreductase) is one of two photosystems in the photosynthetic light reactions of algae, plants, and...
    21 KB (1,950 words) - 06:25, 31 July 2024
  • Thumbnail for Photosystem
    Photosystems are functional and structural units of protein complexes involved in photosynthesis. Together they carry out the primary photochemistry of...
    13 KB (1,699 words) - 03:26, 10 September 2024
  • Thumbnail for Light-dependent reactions
    light dependent reactions: the first occurs at photosystem II (PSII) and the second occurs at photosystem I (PSI). PSII absorbs a photon to produce a so-called...
    28 KB (3,452 words) - 18:15, 8 August 2024
  • Thumbnail for Photosystem II
    Photosystem II (or water-plastoquinone oxidoreductase) is the first protein complex in the light-dependent reactions of oxygenic photosynthesis. It is...
    21 KB (2,159 words) - 22:08, 10 September 2024
  • that are part of larger supercomplexes known as P700 in Photosystem I and P680 in Photosystem II. The structures of these supercomplexes are large, involving...
    22 KB (2,799 words) - 15:34, 26 September 2024
  • Thumbnail for Thylakoid
    membrane: Photosystems I and II Cytochrome b6f complex ATP synthase Photosystem II is located mostly in the grana thylakoids, whereas photosystem I and ATP...
    37 KB (4,385 words) - 19:18, 26 September 2024
  • P700, or photosystem I primary donor, is a molecular dimer of chlorophyll a associated with the reaction-center of photosystem I in plants, algae, and...
    8 KB (934 words) - 21:07, 29 May 2024
  • Thumbnail for Chloroplast DNA
    cytochrome photosystem I acetyl-CoA carboxylase rubisco tRNAs tRNA photosystem II tRNAs tRNAs photosystem II ribosomal proteins tRNA tRNA nadh dehydrogenase...
    54 KB (5,883 words) - 21:50, 19 October 2024
  • Thumbnail for Photophosphorylation
    P700, a pigment in a complex called photosystem I, flows in a cyclic pathway. The electron starts in photosystem I, passes from the primary electron acceptor...
    11 KB (1,381 words) - 01:30, 25 March 2024
  • Thumbnail for Chlorophyll
    the O2 in Earth's atmosphere. Photosystem I typically works in series with Photosystem II; thus the P700+ of Photosystem I is usually reduced as it accepts...
    35 KB (3,524 words) - 20:26, 19 October 2024
  • Thumbnail for Gene mapping
    cytochrome photosystem I acetyl-CoA carboxylase rubisco tRNAs tRNA photosystem II tRNAs tRNAs photosystem II ribosomal proteins tRNA tRNA nadh dehydrogenase...
    26 KB (3,363 words) - 22:19, 4 August 2024
  • Thumbnail for Cytochrome b6f complex
    is one step along the chain that transfers electrons from Photosystem II to Photosystem I, and at the same time pumps protons into the thylakoid space...
    20 KB (2,121 words) - 04:07, 7 January 2024
  • P680, or photosystem II primary donor, is the reaction-center chlorophyll a molecular dimer associated with photosystem II in plants, algae, and cyanobacteria...
    3 KB (375 words) - 22:32, 20 August 2023
  • Thumbnail for Chlorophyll b
    shade-adapted chloroplasts, which have an increased ratio of photosystem II to photosystem I, there is a higher ratio of chlorophyll b to chlorophyll a. This is...
    8 KB (525 words) - 09:22, 12 August 2023
  • Thumbnail for Photosynthesis
    (P700) of photosystem I are replaced by transfer from plastocyanin, whose electrons come from electron transport through photosystem II. Photosystem II, as...
    109 KB (11,779 words) - 23:18, 7 September 2024
  • Thumbnail for Phycobilisome
    antennae that transmit the energy of harvested photons to photosystem II and photosystem I in cyanobacteria and in the chloroplasts of red algae and glaucophytes...
    9 KB (909 words) - 08:37, 27 August 2024
  • Thumbnail for Phytomenadione
    during photosynthesis, forming part of the electron transport chain of photosystem I. The best-known function of vitamin K in animals is as a cofactor in...
    15 KB (1,295 words) - 22:22, 5 September 2024
  • molecules absorb red-light photons at a wavelength of 700 nm in the photosystem I, corresponding to an energy of each photon of ≈ 2 eV ≈ 3×10−19 J ≈ 75 kBT...
    5 KB (592 words) - 02:14, 16 September 2024
  • Thumbnail for Light-harvesting complexes of green plants
    light energy to one chlorophyll a molecule at the reaction center of a photosystem. The antenna pigments are predominantly chlorophyll b, xanthophylls,...
    5 KB (603 words) - 14:57, 14 September 2024
  • Thumbnail for Integral membrane protein
    G protein coupled receptors (e.g., Beta-adrenergic receptor) Seipin Photosystem I Membrane protein Transmembrane protein Peripheral membrane protein Annular...
    9 KB (1,035 words) - 19:59, 25 January 2024
  • Thumbnail for Photosynthetic reaction centre protein family
    its two photosystems. Non-oxygenic bacteria, on the other hand, have an RC resembling either the Photosystem I centre (Type I) or the Photosystem II centre...
    18 KB (2,100 words) - 03:28, 29 January 2024
  • Thumbnail for Chloroplast
    photosystem II ribosomal proteins photosystem I cytochromes photosystem II atp synthase tRNAs nadh dehydrogenase tRNA ribosomal proteins photosystem I...
    196 KB (19,050 words) - 10:45, 17 October 2024
  • quantasome is thought to represent the site of photosystem I, the larger to represent the site of photosystem II.[clarification needed] Light-dependent reactions...
    3 KB (239 words) - 06:39, 3 December 2023
  • Thumbnail for Crop desiccation
    herbicides are cell membrane disruptors that are either "PPO inhibitors" or "Photosystem I inhibitors." Plant cells have chloroplasts, which contain the protoporphyrinogen...
    23 KB (2,298 words) - 19:26, 30 September 2024
  • solar cell is a solar cell made using a combination of organic matter (photosystem I) and inorganic matter. Biohybrid solar cells have been made by a team...
    5 KB (683 words) - 22:24, 9 January 2023
  • Thumbnail for Chlorophyll a
    molecules are located in both photosystem II and photosystem I. They are known as P680 for Photosystem II and P700 for Photosystem I. P680 and P700 are the primary...
    19 KB (1,559 words) - 12:01, 28 February 2024
  • Thumbnail for Water splitting
    photosystem II. The electrons are used to reduce carbon dioxide, which eventually becomes incorporated into sugars. Photo-excitation of photosystem I...
    17 KB (1,805 words) - 08:03, 19 October 2024
  • Thumbnail for Paraquat
    plants, it accepts electrons from photosystem I (more specifically ferredoxin, which is presented with electrons from PS I) and transfers them to molecular...
    47 KB (4,788 words) - 12:26, 4 October 2024
  • Thumbnail for Herbicide
    (diuron) are photosystem II inhibitors. Other members of this class are chlorbromuron, pyrazon, isoproturon, bromacil, and terbacil. Photosystem I inhibitors...
    67 KB (7,869 words) - 17:29, 12 October 2024
  • protein in yeast Pandemic severity index, former US CDC influenza scale Photosystem I, protein complex involved in photosynthesis Pneumonia severity index...
    6 KB (676 words) - 22:37, 6 September 2024