Thus , it is evident that 3t3 - l1 preadipocytes could differentiate into adipocytes without dna synthesis and mitotic clonal expansion 这些结果说明克隆扩增和dna复制并不是3t3 l1前脂肪细胞分化的必需步骤。
Sos induced pol iv increases untargeted mutagenesis not only in a phage , but also in chromosome of e . coli , characterized as - 1 frameshift mutation 它可能直接与dna复制叉相联系而参与了dna合成,产生? 1移码为主的非定标性突变。
However , significant fraction of 3t3 - l1 preadipocytes differentiated into adipocytes without the mitotic clonal expansion when the preadipocytes were induced with the combination of 1 - isobutyl - 3 - methylxanthine and dexamethasone 用地塞米松和ibmx对细胞进行诱导不发生克隆扩增,而细胞也能部分分化,分化形成的脂肪细胞未经过dna复制。
For example , suppose you have one baby already and you want to have one more exactly like her , in case she dies or something . and you can spare some dna from her and store it somewhere . later , they can make a copy of that dna , exactly the same 比方说,你现在已经有一个小孩,然后你还想要一个跟她一模一样的,以防万一将来她死了或怎么了,你可以从她身上取一些dna存起来,科学家就能从那个dna复制一个一模一样的人来。
Proofreading activity and low replication fidelity in vitro , distributive manner in dna synthesis , poor ability to discriminate nucleotides at the level of binding and also the possibility of its expanded roles in long patch ber , ner , dna replication and recombination at its excess state Lp表现出很低的dna复制保真度:它没有3 ’一5 ’外切酶活性因而在a复制中缺乏校读活性:对底物dn p鉴别能力低卜在长单链模权上催化dna复制时散布式的合成方式。
dna: DNA = 1.deoxyribonucle ...复制: duplicate; reproduce; copy; ...dna复制2: mimic 2dna复制叉: dna replication forkdna复制单位: dna replication unitdna复制滚环: dna replication rolling circledna复制酶: dna duplicase; dna replicasedna复制泡: dna replication bubbledna复制起点: dna replication origindna复制速度: dna replication ratedna复制眼: dna replication eyedna复制原点: dna replication origindna复制子: dna replicon半保留dna复制: semiconservative dna replication单一复制dna: single copy dna复制型dna: replicative dna; replicative form dna; rfdna细菌dna复制: bacterium dna replication单一复制dna,单拷贝dna: single copy dnadna复制起点,dna复制原点: dna replication origindna复制解螺旋: dna replication unwindingdna复制增强子: dna repication enhancer; dna replication enhancer第十三章 dna复制: dna replicationdna半不连续复制: dna semi-discontinuous replication组成型稳定dna复制: constitutive stable dna replication; csdr复制: duplicate; reproduce; copy; make a copy of; reproduction; repeat; rendition; dubbing; autotypy; duplication; facsimile; [生物] replication 复制古董 reproduce antiques; reproduce the same old thing over and over again; 这录音的复制质量不太好。 the quality of reproduction isn't very good on this recording