(09重点中学联考)为测定氨基酸的密码子,科学家用人工合成的RNA

09重点中学联考)为测定氨基酸的密码子,科学家用人工合成的RNA进行蛋白质体外合成实验。若提供的RNA为:ACACACACAC……,则可合成苏氨酸和组氨酸交替排列的多聚体;若提供的RNA为:CAACAACAACAA……,则可合成谷氨酰胺或天冬酰胺或苏氨酸的多聚体。据此推测苏氨酸的密码子是

AACA            BCAC           C.CAA            DAAC

答案

答案:A

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