六年级数学作业本答案

DNA序列怎样编码蛋白质 为什么选D 英语翻译B基因可编码瘦素蛋白.转录时,首先与B基因启动部位结合的酶是 .B基因刚转录出来的RNA全长有4500个碱基,而翻译成的瘦素蛋白仅由167个氨基酸组成,说明（1） .翻译时,一个核糖体从起 换一种英语句型表达,意思不变.Dont sit on the bench． 16s rRNA 在生物体内的作用,我的意思时是指他是否能够编码蛋白质 英语的各种句型是不是都有特别的含义?比如倒置,从句前置,后置,分词等等. 真核生物的一个基因能编码多少种蛋白质?真核生物的一个基因是编码一种蛋白质来表达一种形状吗?还是编码多种蛋白质来表达呢? 编码生物体内20种氨基酸的密码子有多少个?蛋白质合成时,至少该有多少种tRNA运输这些氨基酸?请写明理由.（提示与密码子特性有关）因为密码子识别时有摆动性和简并性，第三位可忽略不计 Hard as he tried,he could't cope with his responsibilities as manager.Hardly had we left home when it began to rain cats and dogs以上两个句子的句型结构分析~属于哪种语法考试类型?或者说 在考试题目中 这种句型的考点 伤感的英文句子-=、上帝做证、=、我不是一个坏孩子、=、我只是有点叛逆而已.=、没有人能够懂、=、或许.=、一张脸上可以有喜怒哀乐.=、但是,心里.=、却永远有那种无法胆怯的感觉.=、亲爱 英语句型句子分析they should first view employment in respective and be inprinciple of fully developing their talent when getting a job.请问,and后面的be in principle of fully developing their…我不懂为什么要有of,不甚感激! 伤感英语句子 nine,you,are,at the bus stop,going to meet,at(?)连词造句 take,first,the,at,bus,stop,bus,the 连词成句 can the go bus foot on we stop to 连词成句 这句英语句子是什么句型?We know Jackie Chan _________ movies are very popular with the young.A.whose B.that C.who D.which请问选什么?为什么?是什么句型? 英语句子：请帮忙分析一下这句话的句式结构How does it choose which of these strategies to use in the optimized access paths 求些句式巧妙的英语句子? 这个英语句子是什么句式啊?not yet,even in the democracies,are we rid of the danger of political tyranny.这是一个什么句式呢?为什么are会在主语前面? I finally know that some people can be easily erased by time,some people are eternal啥意思? pair pear读音一样吗它们发音有区别吗 求英语伤感句子类似于（ the worst way to miss someone is to be sitting right beside them knowing you can not have them ）（If,I only half of the heart,then make sure that your other half,where the less you have,I can not breathe）如果 怎么这么伤感的英语句子 it's been quite some it's been quite some 有语法可以分析吗? it has been some time+since是什么意思I realise that it has been some time sine I have 这话该如何理解 为啥it is some time since与it has been some time since没区别 The Smiths has been in China for___.He has been to Shanghai__.填上some times或some time如上 1.__ are you going to the beach?By air A.how Bwhere C.what D.when 2.i __to the bus stop every dayA.by bike B.by my bike C.ride bikes D.ride my bike3.__do you__the sernice in that restaurant?very goodA.what,like B.How,think of C.what,think of D.how th We are going to meet (at the bus stop.)对括号内提问 宋朝、辽朝、金朝、西夏、喀喇汗国、吐蕃、大理,共同组成了“中国”,这个说法对么? 蒙古灭金,蒙古灭西辽,蒙古灭吐蕃,蒙古灭西夏,蒙古灭喀喇汗,蒙古灭大理,蒙古灭南宋,蒙古人好厉害! 宋朝、辽国、喀喇汗国、吐蕃,这四个国家共同组成了“中国”,