下列为某多肽链和控制它合成的一段DNA链,甲硫氨酸的密码子是AUG。“甲硫氨酸-

题型:选择题

问题:

下列为某多肽链和控制它合成的一段DNA链,甲硫氨酸的密码子是AUG。“甲硫氨酸-脯氨酸-苏氨酸-甘氨酸-缬氨酸”,根据上述材料,下列描述错误的是

[ ]

A.这段多肽链中有4个“-CO-NH-”的结构

B.决定这段多肽链的遗传密码子依次是AUG、CCC、ACC、GGG、GUA

C.这段DNA中的①链起了转录模板的作用

D.若发生基因突变,则该多肽链的结构一定发生改变

考点:遗传信息的翻译蛋白质的结构
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We kids have different ways to get in touch with each other now. And for the old, they’d like to go to the market or     26      each other’s houses, but for the young, we kids needn’t follow the     27     of doing so.
The easiest way for us to get in touch and make    28     is to use the Internet services, like QQ. A lot of websites such as www.qq.com have     29    in the last few years and offered such kinds of     30     for free. So we can make friends    31     through the Internet. Maybe we do not    32    all these “friend” well. We add friends only    33    we seem cooler with more friends online.
Then how do we kids keep in touch with friends online? We make it by posting our     34      to each other. At times , “friends”     35     “be missing” for months without a message. Is this the friendship in the 21st century?
Of course, using these Internet services is not     36    for saying “ Hi, what’s up?” Some of us have found long-lost classmates and friends     37    these websites. And at times we     38  a time to go to a movie or get together. What’s more, we kids can      39     our friends’ favourite music when we are on the Internet.
Believe it or not, these Internet services will be    40     for a while, and it is really a convenient way for us to keep in touch.
小题1:
A.visitB.enjoyC.likeD.build
小题2:
A.chancesB.thoughtsC.waysD.plans
小题3:
A.quarrelsB.friendsC.sentencesD.jokes
小题4:
A.goneB.hadC.turnedD.appeared
小题5:
A.computersB.servicesC.booksD.rooms
小题6:
A.easilyB.loudlyC.actuallyD.early
小题7:
A.learnB.knowC.hearD.teach
小题8:
A.ifB.whenC.becauseD.how
小题9:
A.moneyB.paperC.positionsD.messages
小题10:
A.mustB.willC.mayD.shall
小题11:
A.alreadyB.alsoC.justD.yet
小题12:
A.throughB.forC.ontoD.into
小题13:
A.spendB.killC.fixD.last
小题14:
A.listen toB.hear fromC.look atD.feel like
小题15:
A.difficultB.popularC.dangerousD.polite
题型:选择题

建设单位和有关承包单位应依法订立合同,避免无效合同,出现______情形的合同为无效合同。

A.一方以欺诈、胁迫的手段订立合同,损害国家利益

B.恶意串通,损害国家、集体或者第三人利益

C.以合法形式掩盖非法目的

D.造成对方人身伤害

E.损害社会公共利益

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审核员在企业依据2015版新标准审核质量管理体系时,应从哪些方面关注企业的质量管理体系是否应用了基于风险的思维。

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研究内容

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梯队型组织适用的情况是()

A、成熟度较高,追求业务价值体现

B、流程化程度较高,关注响应解决问题SLA

C、建设完毕后运维初期以技术为主

D、贴近业务需求整台资源

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