关于DNA聚合酶的叙述,错误的是()
A.需模板DNA
B.需引物RNA
C.以NTP为原料
D.延伸方向为5’-3’
E.具有3’-5’外切酶活性
参考答案:C
Tom flowers tomorrow.[ ]
A. is going to plant
B. are going to plant
C. is planting
D. plants
血液黏度测定有何意义?