分子生物学adenine(A)腺嘌呤base碱基guanine(G)鸟嘌呤nudeotide核苷酸cytosine(C)胞嘧啶nucleoside核苷uracil(U)尿嘧啶thymine(T)胸腺嘧啶base pair碱基对phosphodiester linkage磷酸二酯键nucleosome核小体ribosome核糖体ribosomal RNA(rRNA)核糖体 RNAtransfer RNA(tRNA)转运 RNAmessenger RNA(mRNA)信使 RNAthe central dogma中心法则semiconservative replication半保留复制DNA dependent DNA polymerase依赖 DNA 的 DNA 聚合酶mitochondria DNA线粒体 DNAexonuclease核酸外切酶incorporation掺入helicase解螺旋酶DNA topoisomeraseDNA 拓扑异构酶single stranded DNA binding protein单链 DNA 结合蛋白gyrase旋转酶primosome引发体primase引物酶DNA ligaseDNA 连接酶origin 起始点bidirectional replication双向复制replicon复制子leading strand领头链lagging strand随从链Okazaki fragment冈崎片段rolling circle replication滚环复制telomerase端粒酶nuclease核酸酶salvage pathway补救合成de novo synthesis从头合成uric acid尿酸inosine肌苷mutation突变dimer二聚体mismatch错配excission repairing切除修复recombin