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单词 cytochrome
释义

WordReference Random House Unabridged Dictionary of American English © 2024
cy•to•chrome  (sītə krōm′),USA pronunciation n. [Biochem.]
  1. any of several carrier molecules in the mitochondria of plant and animal cells, consisting of a protein and an iron-containing porphyrin ring and participating in the stepwise transfer of electrons in oxidation reactions: each cytochrome alternately accepts and releases an electron at a slightly lower energy level in the order designated b, c1, c, a, and a3. Cf. electron transport.
  • cyto- + -chrome 1895–1900

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