It was known that DNA had four chemical components - called adenine, guanine, cytosine, and thiamine - and that these paired up in particular ways.
当时已经知道,DNA含有4种化学成分——腺嘌呤、鸟嘌呤、胞嘧啶和胸腺嘧啶——这4种成分总是以特殊的配对方式排列。
单词 | guanine cytosine |
例句 |
原声例句
万物简史 It was known that DNA had four chemical components - called adenine, guanine, cytosine, and thiamine - and that these paired up in particular ways. 当时已经知道,DNA含有4种化学成分——腺嘌呤、鸟嘌呤、胞嘧啶和胸腺嘧啶——这4种成分总是以特殊的配对方式排列。 TED-Ed(视频版) DNA is made of four organic bases: adenine, guanine, cytosine, and thymine, or A, G, C, and T. DNA 由四种有机碱基组成:腺嘌呤、鸟嘌呤、胞嘧啶和胸腺嘧啶,即 A、G、C 和 T。 |
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