cytochrome

(sī′tō-krōm)

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[″ + chroma, color]
An iron-containing protein found in the mitochondria of eukaryotic cells; each is given a letter name (a, b, c). The cytochrome transport system (electron transport chain) is the last stage in aerobic cell respiration.
SEE: cytochrome oxidase; SEE: cytochrome P450; SEE: cytochrome transport system

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