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photophosphorylation

American

[foh-tuh-fos-fer-uh-ley-shuhn] / ˌfoʊ təˌfɒs fər əˈleɪ ʃən /

noun

Biochemistry.

phosphorylation that utilizes light as a source of energy, as in the formation of ATP from ADP and phosphorus during photosynthesis.

Etymology

Origin of photophosphorylation

1955–60; photo- + phosphorylation ( def. )

Example Sentences

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The energy generated by the hydrogen ion stream allows ATP synthase to attach a third phosphate to ADP, which forms a molecule of ATP in a process called photophosphorylation.

From Textbooks • Apr. 25, 2013

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023