次黄嘌呤具有广泛的配对能力,它可与()、()、()三个碱基配对,因此当它出现在反密码子中时,会使反密码子具有最大限度的阅读能力。
参考答案:U;C;A
书面表达。
吴老师让同学们制作一张海报介绍自己的三个同学,下面是Daniel的写作提纲,请根据提纲帮他
完成海报。 My Three Classmates
1. Chen Bing, a boy with few words (沉默寡言), behind me
2. Luo Wen, friendly, like playing football, help each other
3. Huang Ling, next to me, like talking to himself (自言自语), be good at Maths
____________________________________________________________________________________
_______________________________________________________________________________________
同姓不婚