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【单选题】
一般鉴别试验中,药物具有下列哪类结构,可以发生重氮化 - 偶合反应 ( )A.
具有芳香第一胺结构的药物
B.
具有氨基醇结构的药物
C.
具有酚羟基结构的药物
D.
具有羰基结构的药物
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】滞后链(lagging strand)
【简答题】[A] lagging [B] lacking [C] scarce [D] short
【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】随从链(lagging strand)