三个RNA链组成的RNA连接酶核酶;每个RNA链都是由聚合酶即核酶合成的。 (IMAGE) Proceedings of the National Academy of Sciences Caption 三个RNA链组成的RNA连接酶核酶;每个RNA链都是由聚合酶即核酶合成的。 Credit Image courtesy of David P. Horning and Gerald F. Joyce. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.