| 词汇 | pepsin |
| 释义 | pepsin noun[ U ] chemistry specializeduk /ˈpep.sɪn/ us /ˈpep.sɪn/ an enzyme (= chemical substance made by living cells) that breaks down protein in food in the stomach and is produced by glands there胃蛋白酶 Biochemistry adipose adrenalin albumin aldosterone amino acid endonuclease endorphin enzymatic enzymatically enzyme messenger RNA mRNA mycoprotein non-enzymatic nuclease spike protein T level testosterone trace element transfer RNA Examples of pepsinpepsin In no case is there any suggestion of the total elimination of the pepsin. Electrophoretic analysis of commercial pepsin produced a single band of protein that coincided with that of purified pepsin. Other changes in the culture medium resulted in reduced moulting and survival times compared with the pepsin-added media. Endogenous ulcerogenic factors are pepsin and gastric acid secretion, levels of which are relatively preserved in aging. In general, the pepsin solution reduced germination of the species tested to such a large extent that previous rumen fluid incubation was largely irrelevant. The simulated post-ruminal digestion, using acidified pepsin solution, also reduced germination of all the species tested. For this reason, we added pepsin to the culture media at various times during cultivation. In media containing pepsin, more eggs are usually detected, suggesting that pepsin stimulates the egglaying potential of the females and\\or their complete maturation. The development and survival of the tetrathyridia were influenced by the addition of pepsin, trypsin and liver peptone to the culture media. Superoxide anions produced by inflammatory cells play an important role in the pathogenesis of acid and pepsin induced oesophagitis in rabbits. She rapidly became indispensable and amongst other things, the first ever x-ray photograph of a protein (pepsin) was taken in 1934. Immature flukes were recovered from the liver tissue using pepsin digestion after chopping the liver. Larvae were liberated from the minced snail tissues by pepsin digestion. Further studies are necessary to clarify the effect of pepsin and other factors on these parasites and to achieve an in vitro complete life-cycle of the anisakids in the laboratory. Finding the answer to this clue means researching terms such as metabolism, nerve cells and pepsin. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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