英语词汇“lipid bilayer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	lipid bilayer
释义	DictionarySeebilayer lipid bilayer lipid bilayer [¦lip·id ′bī‚lā·ər] (cell and molecular biology) The foundational structure of plasma membranes; it is composed of two layers of phospholipids positioned such that their polar hydrophilic heads face outward and their nonpolar hydrophobic tails are directed inward, blocking entry of water and water-soluble material into the cell. lipid bilayer lipid bilayer The two layers of phospholipid molecules included within the outer membrane of most cells. These layers are arranged so their two hydrophilic (water-soluble) sides face the interior and the exterior of the cell, and their hydrophobic (nonpolar) core is in between. The membrane is relatively impermeable to molecules such as glucose and amino acids but very permeable to lipid-soluble molecules such as oxygen, carbon dioxide, and alcohol. See: cell for illusSee also: bilayer
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