One called TNA replaces RNA’s ribose sugar with a sugar called threose.

取代RNA核糖的物质叫做“TNA”（苏糖核酸），带有苏糖。

youdao

One called TNA replaces RNA’s ribose sugar with a sugar called threose.

取代RNA核糖的物质叫做“TNA”（苏糖核酸），带有苏糖。

youdao