依下图有关基因工程的工具酶功能的叙述不正确的是 A.切断a处的酶为限制性核酸内切酶 b.连接a处的酶为dna连接酶 C.切断b处的酶为解旋酶 Template




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tomski依下图有关基因工程的工具酶功能的叙述不正确的是 a.切断a处的酶为限制性核酸内切酶 b.连接a处的酶为dna连接酶 coloring