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What's hanging off of the side of this long molecule that's formed by polymerizing nucleotides are - is this base unit.
在这条由多聚核苷酸,构成的长链分子,一侧悬挂着碱基单位
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You'll remember the description of the world from Genesis 1 as an air bubble essentially that's formed by separating waters above and waters below.
大家都记得《创世纪》1中，把世界的描述1,一个大气泡,上面下面都被水覆盖。
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This represents the upright struts on a ladder that I showed you before, it represents this backbone that's shown by - that's formed by polymerizing the pentose's together through phosphate's always going 5' to 3', 5' to 3'.
线条代表梯子,上下的支柱 之前给你们演示过,代表由多聚戊糖分子,通过磷酸基从5'端向3'端方向,连接起来的主链
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From the time they formed their republics until they were conquered by alien empires, the Greeks also rejected monarchy of any kind.
无论是在城邦共和国时期,还是在异国征服时期,希腊人一直排斥任何形式的君主政体
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Many of the jurors would have known Socrates or certainly would have heard of him and he says would have had already an unfavorable opinion formed about him by this earlier generation of accusers.
多数的陪审团成员早就都认识苏格拉底,或至少听过这号人物,他自道，他们早就已经,有不利于他的主张,来自于那些前代的指控者。
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The nucleotide has a directionality, there's an up and a down to it and it's going to turn out the chain that's formed by polymerizing these has a directionality as well and that's important in defining the structure.
核苷酸有方向性,有上端和下端,核苷酸长链,是由核苷酸沿一个特定方向聚合而成的,这在定义结构时很重要
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It's supposed by many that Israel was formed from the merger, or the merging of diverse groups, including farmers and shepherds in Canaan.
许多人都认为犹太人由不同的群体混合而成,包括迦南的农民和牧羊人。
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There's not actually chemical covalent bonds that are formed but it's a non-covalent interaction, usually dominated by hydrogen bonding.
所以配体和受体之间不生成共价键,这是一种非共价化合反应,它们通常以氢键相联
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This was not a naturally occurring attenuated virus as used in smallpox, but a virus that was attenuated in the laboratory, basically by propagating it in culture and looking for mutants that were formed as you propagated this virus under different experimental conditions.
这不是在制造天花疫苗时,使用的那种天然减毒病毒,而是一种在实验室中被人工弱化的病毒,基本上是通过在细胞中培养繁殖后,从这些培养出来的病毒中挑选出,不同实验环境下的变异体
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