欢迎来到天天文库
浏览记录
ID:46133419
大小:133.00 KB
页数:9页
时间:2019-11-21
《专业英语考题费下载》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、一、短语翻译元素和化合物:elementsandcompounds培养基设计:mediumdesign醇类物质的命名:nomenclatureofalcohols青霉索和它的生物合成:penicillinanditsbiosynthesis水解酶类:hydrolyticenzymes核昔酸和核酸:nucleotidesandnucleicacids蛋口质浓度的分析程序:assayprocedureforproteinconcentration微牛物和病毒:microorganismsandvir
2、uses原核与真核生物的区别:differentbetweenprokaryotesandeukaryotes菌种保藏:maintenanceandstorage好氧微生物和厌氧微生物:AerobesandAnaerobes口养型微牛物和界养型微牛物:autotrophicmicroorganismsandheterotrophicmicroorganisms细菌的基因克隆:Genecloninginbacteria变异株筛选:selectionofmutagens药品研发程序:thedrugd
3、evelopmentprocess二、短句翻译J1化合物是一种物质。它可以分解为两种或两种以上元素Acompoundisasubstancethatcanbesplitintotwoormoreelements2在细菌细胞内,大多数,mRNAs是不稳定的。它们的半衰期是2-4min(50摄氏度)MostmRNAsinbacteriaareunstablewithhalf-livesof2-4min(50摄氏度)3这些微生物的有关特性是它们不应是病原性的,而且易于保存,培养时花费不多Therele
4、vantcharacteristicsofthesemicroorganismsarethattheyshouldbenonpathogenic.easytomountainandcheaptogrow。4一旦翻译结束。核糖体就从膜上释放下來Oncompletionoftranslationtheribosomeisreleasedfromthemembrane5真核生物细胞屮蛋白质与原核生物屮的区别在于真核生物染色体病不是最初“转录”到mRNA上,而是转录到一个分子量的异源核的mRNA上Pro
5、teinsynthesisineukaryoticcellsdiffersfromthatinprokaryotesinthattheprimarytranscriptfromtheeukaryoticchromosomeisnotmRNAbutahighmolecularweightheterogeneousnuclearRNA6很显然,要通过这些途径增加并引导代谢物质的流向,在必要时,就必须除去这些限制Obviouslytoincreaseanddirectmetabolicfluxthro
6、ughsuchpathways,theserestrictionsmustberemovedwherenecessary7关于获得高度表达克隆基因的重要性已经写了很多。但对于载体程定性这一问题的理解却所知甚少Muchhasbeenwrittenaboutthevalueofobtaininghighexpressofclonedgenes,butalesswellunderstoodproblemtovectorstability8为使这一短暂发展的微生物技术现代化,早在20世纪70年代,就冇人
7、捉岀了酶的限制和修饰系统。Tobringthis(microbialbiotechnology)briefhistoryuptodate,restrictionandmodificationsystemsinbacteriaweredescribedintheearly1970s三、长难句翻译1,Biotechnologysalesremainsmallcomparedwiththechemicalindustry,Whichhasproductsvaluedat$700,000milliona
8、nnually,andalsosmallComparedwiththesizeoftheagricultureindustry.1,牛物技术销售与化工行业和比依然比较小,每年的产值在700.000万美元,而且也比各种规模的农业产业2,Organiccompoundsmaybebiodegradable(transformedbybiologicalmechanismswhichmightleadtocompletemineralization),pcrsistcnt(failtoundergob
此文档下载收益归作者所有