解析 操纵子:在原核生物中功能相关的几个基因往往组成一个结构单位,在转录的过程中共同进行调控,这种转录调控单位就是操纵子.操纵子是被调节基因产物调控的操纵基因及若干结构基因所构成的一个功能单位 结构基因:编码在某一特定的生物合成途径中起作用的酶,其表达受协同调控...
Why is Intel Core i5-8250U better than Intel Core i3-8130U? 45.45% faster CPU speed ? 4 x 1.6 GHzvs2 x 2.2 GHz 4 threads more CPU threads ? 8 threadsvs4 threads 1.65x higher PassMark result ? 5866vs3549 2 MB bigger L3 cache ...
When the CPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance. Has an unlocked multiplier ✖Intel Core i3-8130U Unknown. Help us by suggesting a value. (Intel Core i5-7Y54) ...
Even if you are an experienced backpacker or climber, you need to know what to do if something goes wrong. It is not that Alaska is that much more dangerous than other places. It is no morehazardousthan elsewhere, as long as the proper precautions (预防措施) are taken. So, being prepar...
Despite the high prevalence of smoking among Aboriginal youth, there is a paucity of research related to tobacco use and other risk behaviours among Aborig... T Elton-Marshall,ST Leatherdale,R Burkhalter - 《Cmaj》 被引量: 95发表: 2011年 An evidence-based approach to planning tobacco intervent...
Life is filled with regrets.Ask anyone around you what their regrets are and they usually have no difficulty coming up with many items on their"regret list".And for some reason our twenties are ripe for a field of regrets.Perhaps it's
New testing platform alert! I recently tried out@lambdatesting’s HyperExecute, an end-to-end smart test orchestration platform. I was amazed at its speed and ‘intelligence’.see more > Eduardo O. LambdaTest tools for UI testing. Without a doubt what I like the best is the LT Browser to...
There is a saying ___ swimming is a good way to keep fit. [ ] A.which B.what C.that D.where 试题答案 在线课程 答案:C 练习册系列答案 点拨训练系列答案 北大绿卡系列答案 好卷系列答案 阳光课堂课时优化作业系列答案 左讲右练系列答案 畅优新课堂...
2. It is not what he says but___ . (way) 不是他所说的,而是他说话的方式伤人。 试题答案 在线课程 2. the way ( that / in which) he speaks that hurts考查强调句型的运用。本句所强调的部分是"他说话的方式",即the way (that / in which) he speaks 该部分应为"伤人"的主语。根据强调句...
当GN19?10型隔离开关及CS6?1T型操动机构安装后，应进行辅助触点的调整。调整触点转臂上的一排斜孔（即调整该臂的精确角度）及连杆的长度，使发分闸信号的触点在触刀通过全部行程的(___)后开始动作，而发合闸信号的触点不得在触刀与静触头闭合前动作。