遗传密码是一组规则,通过这些规则,遗传物质(DNA或RNA序列)中的信息被活细胞翻译成蛋白质(氨基酸序列)。
The genetic code is the set of rules by which information encoded in genetic material (DNA or RNA sequences) is translated into proteins (amino acid sequences) by living cells.
朗费罗幽默的秘密源泉并不是欢乐而是悲伤。天堂里没有幽默。
I am not trying to imitate a photograph; I am trying to make one.