单词 | ribosome |
释义 | ribosomen. Cell Biology. Each of numerous minute particles of RNA and associated proteins found in living cells, either free in the cytoplasm or attached to the endoplasmic reticulum, which bind messenger RNA and transfer RNA and act as the site of polypeptide and protein synthesis. ΘΚΠ the world > life > biology > substance > cell > cell organelle or contents > [noun] > other organelles or contents raphide1831 body1839 raphid1863 mucigen1874 cell sap1875 globoid1875 raphis1879 pyrenoid1883 mucinogen1884 plastid1885 molluscum corpuscle1886 hyalosome1889 molluscum body1892 statolith1892 dictyosome1893 centrosome1895 Nissl body1898 Nissl granule1898 Nissl substance1899 archespore1901 blepharoplast1907 liposome1910 statocone1910 kinetosome1912 Golgi body1916 kinetoplast1925 lipochondrion1936 microsome1943 kappa1945 Pappenheimer body1947 microbody1954 lysosome1955 siderosome1957 ribosome1958 melanosome1961 cisterna1962 microtubule1962 plasmalemmasome1962 phagolysosome1963 informosome1964 monosome1964 mucocyst1965 peroxisome1965 rhoptry1967 spectrin1968 virosome1970 the world > life > biology > biological processes > genetic activity > genetic components > [noun] > nucleic acid > RNA > ribosome ribosome1958 polyribosome1962 polysome1962 monosome1964 1958 R. B. Roberts Microsomal Particles & Protein Synthesis p. viii The phrase ‘microsomal particles’ does not seem adequate, and ‘ribonucleoprotein particles of the microsome fraction’ is much too awkward. During the meeting the word ‘ribosome’ was suggested... The present confusion would be eliminated if ‘ribosome’ were adopted to designate ribonucleoprotein particles in the size range 20 to 100 S. 1961 Times 18 Aug. 12/4 Protein synthesis seems in fact to be localized in small bodies, known as ribosomes. 1962 I. Asimov Chemicals of Life (rev. ed.) iii. 45 The nucleic acid of the chromosomes forms a ‘messenger’ molecule which leaves the nucleus and joins particles in the cytoplasm which are called ribosomes. 1974 M. C. Gerald Pharmacol. iii. 52 Some of the reticulum appears ‘rough’, because of the presence of dense bodies termed ribosomes. 2000 C. Tudge Variety of Life iv. 75 Transfer RNA molecules are small, and their job is to ferry individual amino acids to the ribosomes where they can be assembled into proteins. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1958 |
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