The reason for that is that the 5' carbon is where the phosphate is attached.

那是因为,5'碳部位是磷酸基所连接部位

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We take Johns' brain, we put it in Smith's torsel we hook up all the wires as it were, ? the thing wakes up, who is that?

把约翰斯的大脑放进史密斯的躯干,再把各个部位按原样连接好，它醒了，它是谁？

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In nucleotide the phosphate is always attached to the 5' carbon.

在核苷酸内磷酸基总是连接到5'碳部位

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We take the right half of Johns' brain, put it into Smith's torsel, hook up all the wires the right way, ? the thing wakes up, who is it?

把约翰斯的右半脑，放进史密斯的躯干，按原样连接各个部位，醒来的是谁？

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The 5' carbon has a phosphate off of it and that phosphate is linked to the 3' carbon of the next one and they all have a base hanging off the side.

'碳的磷酸基,连接到下一个戊糖的3'碳部位,它们都有连接在一侧的碱基

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The reason that 3' is important is that when you polymerize two nucleotides together and a third nucleotide, and a fourth nucleotide, when you polymerize nucleotides together they get polymerized, the phosphate of one gets linked to the 3' carbon of another.

'碳部位重要是因为,当你把两个核苷酸聚合在一起,然后再聚合第三个,第四个的时候,核苷酸在聚合时,磷酸基与另外一个戊糖的3'碳部位连接

耶鲁公开课 - 生物医学工程探索课程节选