| 单词 | unit membrane |
| 释义 | > as lemmasunit membrane unit membrane n. Biology a thin, semipermeable lipid bilayer with incorporated proteins, that encloses cells (= cell membrane n. at cell n.1 Compounds 3) and some organelles; spec. (now historical) such a membrane as formerly supposed to consist of a lipid bilayer between two superficial layers of protein. ΘΚΠ the world > life > biology > substance > cell > parts of cell > [noun] > wall or membranes septum1720 cell wall1840 valve1852 periplast1853 stroma1872 ghost1879 endoplasmic reticulum1883 plasma membrane1893 plasmalemma1923 unit membrane1958 purple membrane1968 1958 Jrnl. Biophysical & Biochem. Cytol. 4 39 The unit membranes composing each lamella sometimes are slightly (~ 50 to 100 A) separated in the clefts. 1970 E. J. Ambrose & D. M. Easty Cell Biol. v. 173 The chloroplast, like all plastids, is bounded by a double unit membrane. 2012 9th Ann. Rep. Internat. Comm. Taxon. Viruses ii. 147 This layer consists of a unit membrane and an exterior layer of protein subunits. < as lemmas |
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