问题
单项选择题
tRNA含有（）
A.3’-CCA-0H
B.帽子帽子m7Gppp
C.密码子
D.3’-末端的多聚腺苷酸结构
E.大、小两个亚基
答案
参考答案：A
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tRNA含有（）
A.3’-CCA-0H
B.帽子帽子m7Gppp
C.密码子
D.3’-末端的多聚腺苷酸结构
E.大、小两个亚基
参考答案：A
Dear Mingming, Hi, I’m writing to you in Rizhao. I’m on vacation 36 my parents here. Rinzhao is very beautiful and 37 lots of beaches. It’s 38 today.People are having a good 39 on the beaches. Some are playing beach volleyball, some are enjoying the sunlight, and 40 are playing games. 41 are my parents? Oh, my 42 is lying on the beach, and my mother is 43 in the sea(大海). I’m 44 I have to stop here. My mother wants me to 45 photos for her. I hope you and Lingling are having fun, too.
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