replication
fork:______
fork:______
复制叉
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举一反三
- 复制叉（replication fork）
- DNA polymerase probably synthesizes in the 5'→3'direction because A: that is the opposite direction of the replication fork B: that is the only way it can bind to DNA C: that allows synthesis to resume easily if one base needs to be removed D: this is the only direction permitted by the double helix
- In prokaryotic cells, replication moves outward from the origin in ________ direction(s) and is called ________.() A: both,<br/>unidirectional B: both,<br/>bidirectional C: one,<br/>bidirectional D: one,<br/>unidirectional
- semi-conservative replication
- A knife and a fork _____ on the table. A knife and fork _____ on the table.
内容
- 0
以下程序会打印几个a？int main(){fork();fork();fork();fork();printf("a\n");} A: 15 B: 4 C: 8 D: 16
- 1
Which is not the mechanisms of horizontal gene transfer ( ) 以下哪一个选项不是水平基因转移的机制? A: transformation <br/>转化 B: Replication<br/>复制 C: transduction <br/>转导 D: conjugation <br/>接合
- 2
Control of gene expression<br/>by preventing a gene from being expressed. () A: Transcription B: Induction C: Translation D: Replication E: Repression
- 3
Each of the foreigners holds a fork in one hand and a knife in<br/>________ . A: others B: the others C: the other D: another
- 4
fork