使用人造生物学工具，可能DNA和蛋白质都可以丢弃了——RNA自身可以充当基因分子和催化剂两个角色。

Using the tools of synthetic biology, perhaps DNA and proteins can be discarded - RNA itself can act both as a genetic molecule and as a catalyst.

youdao

尽管该产品由实验室合成，在技术层面上确系人造，但其原料却是糖分子。

Though it is made in the laboratory and is, technically, an artificial sweetener, the raw material is sugar molecules.

youdao

Holten - Anderson和同事着手在实验室用一种人造聚合物来复制这种物质，或造一束简化版的河蚌蛋白质分子。

Holten-Anderson and colleagues set out to replicate that in the laboratory using a synthetic polymer or a simplified version of a string of mussel protein molecules.

youdao