七、问答题1．论述原核生物的转录终止。 (1)转录终止的两种重要的机制是什么? (2)描述翻译怎样能调整转录终止。 (3)为何在细菌转录终止中很少波及到 Pho 因子? (4)怎样能制止转录的终止?2．复制 DNA 的聚合酶(DNA 依赖的 DNA 聚合...

时间:2025-04-10 11:54栏目:高等教育

GLOSSARYAbundance of an mRNA is the average number of molecules per cell.Abundant mRNAs consist of a small number of individual species, each present in a large number of copies per cell.Acceptor splicing site—see right splicing junction.Acentric fragment of a chromosome (generated by breakage) la...

时间:2025-02-25 15:32栏目:高等教育