The artist made a _____ of his picture. A: replicate B: replica C: replicating D: replicated
The artist made a _____ of his picture. A: replicate B: replica C: replicating D: replicated
从酵母中克隆到一段DNA序列具有类似原核生物DNA复制起始点的功能，即 A: USR(upstream replicating sequence) B: LTR(long terminal sequence) C: ARS(autonomously replicating sequence) D: ORF( open reading frame)
从酵母中克隆到一段DNA序列具有类似原核生物DNA复制起始点的功能，即 A: USR(upstream replicating sequence) B: LTR(long terminal sequence) C: ARS(autonomously replicating sequence) D: ORF( open reading frame)
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