plastoquinone


plastoquinone
/plas'toh kweuh nohn", -kwin"ohn/, n. Biochem.
a quinone that occurs in the chloroplasts of plants and functions as an electron carrier during photosynthesis.
[1955-60; (CHLORO)PLAST or PLAST(ID) + -O- + QUINONE]

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Universalium. 2010.

Look at other dictionaries:

  • Plastoquinone — Général Nom IUPAC 2,5 Cyclohexadiene 1,4 dione, 2,3 dimethyl 5 (3,7,11,15,19,23,27,31,35 nonamethyl 2,6,10,14,18,22,26,30,34 hexatriacontanonaenyl) , (all E) …   Wikipédia en Français

  • Plastoquinone — Chembox new ImageFile = Plastoquinone.png Section1 = Chembox Identifiers CASNo = 4299 57 4 PubChem = 6433402 SMILES = Section2 = Chembox Properties Formula = C53H80O2 MolarMass = 749,20 g·mol−1 Appearance = Density = MeltingPt = BoilingPt =… …   Wikipedia

  • plastoquinone — noun Etymology: Greek plastos + English quinone Date: 1958 a plant substance that is related to vitamin K and plays a role in photosynthetic phosphorylation …   New Collegiate Dictionary

  • plastoquinone — A quinone present in chloroplasts, forming part of the photosynthetic electron transport chain. Closely associated with photosystem II. May be stored in plastoglobuli …   Dictionary of molecular biology

  • plastoquinone — noun a quinone, related to the carotenoids, involved in the electron transport process of photosynthesis …   Wiktionary

  • plastoquinone — 2,3 Dimethyl 1,4 benzoquinone with a multiprenyl side chain; a trivial name sometimes used for p. 9. * * * plas·to·qui·none .plas (.)tō kwin ōn, kwin .ōn n any of a group of substances that occur mostly in plant chloroplasts, are related to… …   Medical dictionary

  • plastoquinone — plas·to·quinone …   English syllables

  • plastoquinone — One of a group of compounds involved in the transport of electrons as part of the process of photosynthesis …   Glossary of Biotechnology

  • plastoquinone — ˌ noun Etymology: plasto + quinone : any of a group of substances that occur mostly in plant chloroplasts, consist of paraquinone with two methyl substituents and a side chain of one or more isoprene units, are related to vitamin K, and play a… …   Useful english dictionary

  • plastoquinone-9 (PQ-9), plastoquinone E9 — 2,3 Dimethyl 6 nonaprenyl 1,4 benzoquinone; one of a group of vitamins E and K and coenzymes Q; the isomeric form is plastochromenol 8; a participant in photosynthetic electron transport …   Medical dictionary