A: 导线
B: %
C: @
举一反三
- DNA replication, one of the new strands will grow continuously, it is<br/>called () A: Continuous strand B: Faster strand C: Leading strand D: Lagging strand
- 编码链(coding strand)
- 不要试图使导线弯曲部分变直。 A: Do not try to make the bends in the cable straight. B: Do not attempt to straighten bends in the cable.
- The difference between cable television and broadcast television is that_____ . [ ] A: the programs of cable television are educational B: cable television does not use the public airwaves C: most cable television programs include sales messages D: cable television provides news and entertainment
- cable network, the word cable means( )?
内容
- 0
领头链（leading strand）
- 1
The sequence of part of a DNA strand is the following: -ATTCGATTGCCCACGT-. When this strand is used as a template for DNA synthesis, the product will be which one of the following?
- 2
The function of DNA polymerase I is to replace RNA primer with DNA. On which strand would you expect DNA polymerase I to be more active? A: the leading strand B: the lagging strand C: equally active on both strands D: neither , only DNA polymerase III is involved in synthesis
- 3
In a data communication system, the transport media with the widest frequency band and best reliability is the( ). A: radio channel B: coaxial cable C: twisted--pair cable D: fiber optic cable
- 4
Which physical connection is the fastest? A: Twisted pair B: Coaxial cable C: Fiber-optic cable D: Microwave