(单选题)10: 核酸的生物合成中,胞嘧啶核苷酸是经以下哪种物质转化生成?
A: 尿嘧啶
B: 尿嘧啶核苷
C: 尿嘧啶核苷酸
D: 尿嘧啶核苷二磷酸
E: 尿嘧啶核苷三磷酸
1.(单选题)—Hello,YangLinspeaking. —________________ A.I am Carol. B.This is Ca...
1.(单选题)—Goodmorning,canIhelpyou —________________ A.No, I just have a look ...
1.(单选题)—Hello,YangLinspeaking. —________________ A.I am Carol. B.This is Ca...
1.(单选题)— —It'smypleasure. A.Can you fax the document in time B.When can yo...
1.(单选题)— —Theround-tripairfareforapersonisonly$188. A.How much does the air...