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38 relations: Adenosine triphosphate, Algae, ATP synthase, Ångström, Beta-Carotene, Chlorophyll, Cofactor (biochemistry), Cyanobacteria, Electrochemical gradient, Electron, Enzyme, Free-electron laser, Heme, Hydrogen ion, Light-dependent reactions, Nicotinamide adenine dinucleotide phosphate, Oxygen evolution, P680, Pheophytin, Photodissociation, Photoinhibition, Photon, Photophosphorylation, Photosynthesis, Photosynthetic reaction centre, Photosystem, Photosystem I, Photosystem II light-harvesting protein, Plant, Plastoquinone, Protein complex, Protein Data Bank, Protoporphyrin IX, Redox, SLAC National Accelerator Laboratory, Thylakoid, X-ray, X-ray crystallography.
Adenosine triphosphate
Adenosine triphosphate (ATP) is a complex organic chemical that participates in many processes.
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Algae
Algae (singular alga) is an informal term for a large, diverse group of photosynthetic organisms that are not necessarily closely related, and is thus polyphyletic.
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ATP synthase
ATP synthase is an enzyme that creates the energy storage molecule adenosine triphosphate (ATP).
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Ångström
The ångström or angstrom is a unit of length equal to (one ten-billionth of a metre) or 0.1 nanometre.
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Beta-Carotene
β-Carotene is an organic, strongly colored red-orange pigment abundant in plants and fruits.
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Chlorophyll
Chlorophyll (also chlorophyl) is any of several related green pigments found in cyanobacteria and the chloroplasts of algae and plants.
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Cofactor (biochemistry)
A cofactor is a non-protein chemical compound or metallic ion that is required for an enzyme's activity.
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Cyanobacteria
Cyanobacteria, also known as Cyanophyta, are a phylum of bacteria that obtain their energy through photosynthesis, and are the only photosynthetic prokaryotes able to produce oxygen.
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Electrochemical gradient
An electrochemical gradient is a gradient of electrochemical potential, usually for an ion that can move across a membrane.
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Electron
The electron is a subatomic particle, symbol or, whose electric charge is negative one elementary charge.
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Enzyme
Enzymes are macromolecular biological catalysts.
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Free-electron laser
A free-electron laser (FEL) is a kind of laser whose lasing medium consists of very-high-speed electrons moving freely through a magnetic structure, hence the term free electron.
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Heme
Heme or haem is a coordination complex "consisting of an iron ion coordinated to a porphyrin acting as a tetradentate ligand, and to one or two axial ligands." The definition is loose, and many depictions omit the axial ligands.
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Hydrogen ion
A hydrogen ion is created when a hydrogen atom loses or gains an electron.
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Light-dependent reactions
In photosynthesis, the light-dependent reactions take place on the thylakoid membranes.
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Nicotinamide adenine dinucleotide phosphate
Nicotinamide adenine dinucleotide phosphate, abbreviated NADP or, in older notation, TPN (triphosphopyridine nucleotide), is a cofactor used in anabolic reactions, such as lipid and nucleic acid synthesis, which require NADPH as a reducing agent.
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Oxygen evolution
Oxygen evolution is the process of generating molecular oxygen through chemical reaction.
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P680
P680, or Photosystem II primary donor, (where P stands for pigment) refers to either of the two special chlorophyll dimers (also named special pairs), PD1 or PD2.
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Pheophytin
Pheophytin or phaeophytin (abbreviated Pheo) is a chemical compound that serves as the first electron carrier intermediate in the electron transfer pathway of Photosystem II (PS II) in plants, and the photosynthetic reaction center (RC P870) found in purple bacteria.
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Photodissociation
Photodissociation, photolysis, or photodecomposition is a chemical reaction in which a chemical compound is broken down by photons.
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Photoinhibition
Photoinhibition is light-induced reduction in the photosynthetic capacity of a plant, alga, or cyanobacterium.
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Photon
The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).
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Photophosphorylation
In the process of photosynthesis, the phosphorylation of ADP to form ATP using the energy of sunlight is called photophosphorylation.
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Photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities (energy transformation).
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Photosynthetic reaction centre
A photosynthetic reaction centre is a complex of several proteins, pigments and other co-factors that together execute the primary energy conversion reactions of photosynthesis.
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Photosystem
Photosystems are functional and structural units of protein complexes involved in photosynthesis that together carry out the primary photochemistry of photosynthesis: the absorption of light and the transfer of energy and electrons.
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Photosystem I
Photosystem I (PS I, or plastocyanin-ferredoxin oxidoreductase) is the second photosystem in the photosynthetic light reactions of algae, plants, and some bacteria.
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Photosystem II light-harvesting protein
Photosystem II light-harvesting proteins are the intrinsic transmembrane proteins CP43 (PsbC) and CP47 (PsbB) occurring in the reaction centre of photosystem II.
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Plant
Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae.
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Plastoquinone
Plastoquinone (PQ) is an isoprenoid quinone molecule involved in the electron transport chain in the light-dependent reactions of photosynthesis.
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Protein complex
A protein complex or multiprotein complex is a group of two or more associated polypeptide chains.
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Protein Data Bank
The Protein Data Bank (PDB) is a crystallographic database for the three-dimensional structural data of large biological molecules, such as proteins and nucleic acids.
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Protoporphyrin IX
Protoporphyrin IX is an organic compound, which is one of the most common porphyrins in nature.
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Redox
Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.
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SLAC National Accelerator Laboratory
SLAC National Accelerator Laboratory, originally named Stanford Linear Accelerator Center, is a United States Department of Energy National Laboratory operated by Stanford University under the programmatic direction of the U.S. Department of Energy Office of Science and located in Menlo Park, California.
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Thylakoid
A thylakoid is a membrane-bound compartment inside chloroplasts and cyanobacteria.
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X-ray
X-rays make up X-radiation, a form of electromagnetic radiation.
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X-ray crystallography
X-ray crystallography is a technique used for determining the atomic and molecular structure of a crystal, in which the crystalline atoms cause a beam of incident X-rays to diffract into many specific directions.
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Redirects here:
EC 1.10.3.9, H2O:plastoquinone reductase (light-dependent), PS II, PS II complex, PSII, Photo system II, Photosystem 2, Photosystem ii, Plastoquinone oxidoreductase, Water-plastoquinone oxidoreductase.
References
[1] https://en.wikipedia.org/wiki/Photosystem_II
