血红蛋白分子中含574个氨基酸,共有4条肽链。在形成此蛋白质分子

血红蛋白分子中含574个氨基酸,共有4条肽链。在形成此蛋白质分子时,脱下的水分子数、形成肽键数、至少含有的氨基数和羧基数分别是(  )

   A573573573573   B570573571571  C57057344  D57057044

答案

D

相关题目

    Sadness is unpleasant, and in a society where personal happiness is prize
    Sadness is unpleasant, and in a society where personal happiness is prized above all else, there is little tolerance for falling in despair. Especially now we’ve got drugs for getting rid of
Not until he went through real hardship _____the love we have for our families
Not until he went through real hardship _____the love we have for our families is important. A. had he realized              B. did he realize           C. he realized   
番茄果皮红色(R)对黄色(r)为显性,若将纯种红色番茄的
番茄果皮红色(R)对黄色(r)为显性,若将纯种红色番茄的花粉授到黄色番茄的柱头上,则黄色番茄植株上所结番茄的果皮将是 A.黄色,基因型为rr  
—Can we meet tomorrow afternoon? —Not in the afternoon, I’m afraid. I  
—Can we meet tomorrow afternoon? —Not in the afternoon, I’m afraid. I       . A.will be working                                           B.am
影响旅游安全的因素主要包括      ( )。 ①自然灾害 ②旅
影响旅游安全的因素主要包括      ( )。 ①自然灾害 ②旅游硬件设施情况 ③社会文化环境 ④旅游地的经济水平 A.①②③  B.①③④ C.①②④ 
---- The government should think about the medical reform again, in my opinion.
---- The government should think about the medical reform again, in my opinion. ---- ________________. The medical services and efficiency are not good at the moment. A. You can’t be serious  
阅读下面的文字,按要求作文父亲是建筑工,小时候见父亲
阅读下面的文字,按要求作文父亲是建筑工,小时候见父亲与工友们铺设水泥地,总是用一些长长的小木条将水泥地隔成一个个方块,待水泥地干爽后
如图是MgS04和NaCl的溶解度曲线图,下列说法正确的是( ) A
如图是MgS04和NaCl的溶解度曲线图,下列说法正确的是( ) A.t1℃时,MgS04和NaCl溶液中溶质的质量分数相等 B.t2℃时的MgS04饱和溶液,不管温度升高还