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【单选题】
高速机车为提高蛇行临界速度，要采用（）的轴距。A.
较小
B.
较大
C.
一般
D.
都可以
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反馈参考答案：
举一反三
【简答题】此处正确答案是[A]lagging[B]lacking[C]scarce[D]short
【单选题】If your actions__others to dream more, learn more, do more and become more, you are a leader.
A.
make
B.
force
C.
motivate
D.
inspire
【简答题】[A] lagging [B] lacking [C] scarce [D] short
【简答题】lagging strand
【单选题】Why does lagging strand synthesis consist of discontinuous Okazaki fragments?
A.
A、There is a shortage of dNTPs for lagging strand synthesis.
B.
Okazaki fragments are riddled with mistakes; proofreading enzymes chop up the nucleotide into short fragments.
C.
Lagging strand DNA polymerase can only handle a few nucleotides at a time.
D.
DNA is synthesized 5' to 3'. Replication can only proceed from the unwound portion of DNA outward.
【简答题】If your actions__others to dream more,
learn more, do more and become more, you are a leader.A. make B. force C. motivate D. inspire
【单选题】Why does lagging strand synthesis consist of discontinuous Okazaki fragments?
A.
There is a shortage of dNTPs for lagging strand synthesis.
B.
Okazaki fragments are riddled with mistakes; proofreading enzymes chop up the nucleotide into sho
C.
Lagging strand DNA polymerase can only handle a few nucleotides at a time.
D.
DNA is synthesized 5' to 3'. Replication can only proceed from the unwound portion of DNA outw
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