"When the gas comes off the digester, it has not only methane in it it also has carbon dioxide And it has a trace of hydrogen sulfide."

VOA: standard.2010.02.23

It's phosphate, carbon, carbon, carbon, phosphate, carbon, carbon, carbon, phosphate and it has this structure hanging off the side.

就是磷酸基与戊糖的碳反复连接,如此循环往复,这种结构构成了主链的一边

耶鲁公开课 - 生物医学工程探索课程节选

We have carbon 12. I will even leave off the 6 because we already know it is carbon.

我们有碳12，我们将6省去6,因为我们已经知道它是碳了。

麻省理工公开课 - 固态化学导论课程节选

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

耶鲁公开课 - 生物医学工程探索课程节选