首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
A. Autibiotics destroy pathosenic microbes by preventing the formation of the walls surrounding the membranes of the microbial c
A. Autibiotics destroy pathosenic microbes by preventing the formation of the walls surrounding the membranes of the microbial c
admin
2009-07-11
52
问题
A. Autibiotics destroy pathosenic microbes by preventing the formation of the walls surrounding the membranes of the microbial cells that prevent the cells from split- ting open.
B. More than 70 clinically useful antibiotics have been in- vented to fight pathogenic microbes and cancer cells by interacting with their normal cell processes.
C. Human cells are not surrounded by a membrane
D. Some antibiotics disrupt the cell membrane of certain microbes, letting vital nutrients to escape form the cell or poisonous substances to enter and kill the cell.
E. Nystatin is used to disrupt the wall surrounding the membrane.
F. Some antibiotics fight disease by interfering with chemical activities in microbial cells but not in human cells.
*
选项
答案
A
解析
第三段的段意为“细菌细胞内的物质被包在细胞膜内,细胞膜外还有—•层坚硬的细胞壁,青霉素和其他抗生素可以阻止这一细胞壁的形成,从而摧毁病原菌。
转载请注明原文地址:https://kaotiyun.com/show/BO1d777K
本试题收录于:
职称英语卫生类B级题库职称英语分类
0
职称英语卫生类B级
职称英语
相关试题推荐
Directions:Usingtheinformationinthetext,completeeachsentence6-10,withawordorphrasefromthelistbelow.Foreach
Therearemanydifferentreasonswhyfashionissuchapowerfulculturalandeconomicinfluenceindevelopedsocietiesatthebe
1.Icebergsareamongnature’smostspectacularcreations,andyetmostpeoplehaveneverseenone.Avagueairofmysteryenvel
ItiscommonforAmericanstohavedifferent"circlesoffriends"suchaschurchfriends,workfriends,orsportsfriends.【R1】__
Theinfluenceofclimateonbehaviorappearsall-pervasive.Indeed,whocanclaimthatweatherfactorshavenoinfluenceonthei
1.Properarrangementofclassroomspaceisimportanttoencourageinteraction.Mostofushavenoticedhowimportantphysicals
Recently,amanwhowasalwaysingoodhealth,spentaweekinbedwithsevereflu.Itwastheworstillnessinhislife.Thepr
ItiscommonlybelievedintheUnitedStatesthatschooliswherepeoplegotogetaneducation.Nevertheless,ithasbeensaid
StressCanMakeYouSickScientistsarenowstudyinganewfieldofresearchwhichiscalledpsychoimmunology(心理免疫学).Itisb
Thearticleisaboutacouplewhosemarriedlifeishappierbecause______.Wecaninferfromthispassagethatachange-overo
随机试题
Communicationcanbethemostcriticalaspectofwhetherachangestrategywillsucceedorfail.【T1】Thedegreetowhichinformat
意识清楚,记忆力差,生活自理能力下降,缺乏同情心,本能活动增多意识清楚,兴趣减退,思维迟缓、言语动作减少
色甘酸钠粉雾剂【处方】色甘酸钠20g乳糖20g制成1000粒该药中乳糖的作用是
下列不属于房源信息内部推广方式的是()。
考虑风荷载和地震作用对高耸结构的影响时,以下概念______项是错误的?
运用价值工程优化设计方案所得结果是:甲方案价值系数为1.36,单方造价1200元,重要系数0.3215;乙方案价值系数为1.28,单方造价1250元,重要系数0.2132;丙方案价值系数为1.15,单方造价1230元,重要系数0.2886;丁方案价值系数
下列商品所有权上的主要风险和报酬未转移给购买方的有()。
下列关于盈亏平衡点的说法,正确的有()。
下列句子中存在歧义的是()。
A、ShewasthefirstwomantoleadabigU.S.publishingcompany.B、ShegotherfirstjobasateacherattheUniversityofChica
最新回复
(
0
)