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A peptide is a short chain of amino acids joined together — smaller than a full protein, which is a much longer chain of the same building blocks. You'll meet this word in biology class, on supplement labels, or in news about medicine, since many new drugs (like some diabetes and weight-loss medicines) are peptides.
胜肽
組成pept- (Greek 'peptos', digested) + -ide (chemistry ending for a type of compound)
同家族的字
- pepticshares the Greek 'pept-' root, as in 'peptic ulcer' — a stomach ulcer related to digestion
原始詞典資料3 筆記錄
以下是外部詞典記錄的用法,原文照列,我們還沒有寫成教學內容。上面的說明才是我們自己寫的;有些用法可能上面已經講過了。
peptidenoun/ˈpɛptaɪd/
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chemistrynatural-sciencesorganic-chemistryAny of a class of organic compounds consisting of various numbers of amino acids in which the amine of one is reacted with the carboxylic acid of the next to form an amide bond. Such molecules joined into polypeptides and proteins constitute crucial components of living organisms.
- When it’s digested, its long amino-acid chains are first broken down into smaller fragments, or peptides. It turns out that many hormones and drugs are also peptides, and a number of casein peptides do affect the body in hormone-like ways.
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chemistrynatural-sciencesphysical-sciencesThe peptide bond itself.
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Performance-enhancing drugs that contain such molecules, especially particular ones (often synthetically produced) that are claimed by their sellers to bestow amazing health benefits.
- Please be patient with me, I get hundreds of emails a day in regards to anything fitness related including diet, recipes, eating schedules, work out routines, recommending what peptides to take for what and so on.
- It truly doesn’t, funny how so many people in this sub keep buying certain peptides for the placebo.
資料來源:英文維基詞典 English Wiktionary(CC BY-SA 4.0)。 原文照列,未經改寫。