转录真核生物tRNA的酶是:()
A.RNA聚合酶Ⅰ
B.RNA聚合酶Ⅱ
C.RNA聚合酶Ⅲ
D.反转录酶
参考答案:C
—Don’t forget to tell me your _____ number, and then we can chat on the Internet.
—OK, I won’t.[ ]
A.
B.
C.
什么是起爆器材?