electron-transport chain

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electron-transport chain
1. Respiratory chain. A system of redox compounds called electron carriers, present in mitochondria, which sequentially transport electrons and/or protons previously removed from metabolites in glycolysis, the citric-acid cycle, and other metabolic reactions.

2. A system of redox compounds involved in electron transport in metabolic pathways such as photosynthesis.

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electron-transport chain

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electron-transport chain