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| 单词 | alpha helix |
| 释义 | alpha helix in British Englishnoun biochemistry a helical conformation of a polypeptide chain, found abundantly in the structure of proteins alpha helix in American Englishnoun Biochemistry the rodlike spatial configuration of many protein molecules in which the polypeptide backbone is stabilized by hydrogen bonds between amino acids in successive helical turns Word origin [1950–55]This word is first recorded in the period 1950–55. Other words that entered Englishat around the same time include: conflict of interest, drip-dry, hot line, point-of-sale, speech recognitionExamples of 'alpha helix' in a sentence |
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