Dictionary

plastoquinone

noun plas·to·qui·none \ˌplas-(ˌ)tō-kwi-ˈnōn, -ˈkwi-ˌ\

Definition of PLASTOQUINONE

:  a plant substance that is related to vitamin K and plays a role in photosynthetic phosphorylation

Origin of PLASTOQUINONE

Greek plastos + English quinone
First Known Use: 1958

plastoquinone

noun plas·to·qui·none \ˌplas-(ˌ)tō-kwin-ˈōn, -ˈkwin-ˌōn\   (Medical Dictionary)

Medical Definition of PLASTOQUINONE

:  any of a group of substances that occur mostly in plant chloroplasts, are related to vitamin K, and play a role in photosynthetic phosphorylation

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