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英语翻译1.A vaccine is a substance that is prepared from killed

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英语翻译
1.A vaccine is a substance that is prepared from killed or weakened disease-causing agents,including certain bacteria.
2.Transformation is a change in genotype caused when cells take up foreign genetic material.
3.A bacteriohage(bak TIHR ee uh fayi),also referred to as phage(fayi),is a virus that infects that infects bacteria.
4.double helix-——two strands twisted around each other,like a winding staircase
5.Nucleotides are the subunits that make up DNA.
6.Deoxyribose(dee ahk see RIE bohs),from which DNA gets tis full name,deoxyribouncleic acid.
7.Base-pairing rules are supported by Chargaff's observations.
8.complementary base pairs.That is ,the sequence of nitrogen bases on the other strand must be AGCTTGA
9.DNA replication.DNA replication is summarized in Figure 9.
10.DNA helicases open the double helix by breaking the hydrogen bonds that link the complementary nitrogen bases between the two strands.
11.replication forks because of their Y shape,as shown in Figure 9.
12.DNA polymerases move along each of the DNA strands.
英语翻译1.A vaccine is a substance that is prepared from killed
疫苗是一种所列1.a准备从死亡或削弱致病因子,包括某些细菌的物质.2.Transformation是在基因型变化引起的,当细胞需要注册外国的遗传物质.3.A bacteriohage(比克土库曼人权倡议呀嗯fayi),也被称为噬菌体(fayi),是一种病毒感染,会感染细菌.4.double螺旋扭曲---各地都像一条蜿蜒的楼梯5.Nucleotides,两股是亚基构成的DNA.6.Deoxyribose(迪华民见刻蚀bohs),从中获取DNA的服务贸易的全名,deoxyribouncleic酸.7.Base配对规则支持查戈夫的意见
8.complementary碱基对.也就是说,氮基础上另一条链序列必须AGCTTGA 9.DNA复制.DNA复制是在图9总结.10.DNA解旋酶打开打破氢键连结两条绳索之间的互补氮基地的双螺旋.因为他们的Y形11.replication叉,如图9.12.DNA聚合酶沿着DNA的每一个动作链