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【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.
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