| 单词 | cytochrome |
| 释义 | cytochrome /suy"teuh krohm'/, n. Biochem. 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. [1895-1900; CYTO- + -CHROME] |
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