第八章单元测试
- Which of the following codons are the termination codons in protein biosynthesis?（ ）
- All of the following descriptions about the synthesis of leading strands in DNA replication in prokaryotic
cells are correct, EXCEPT（ ）. - The leading strand is continuously replicated, and the lagging strand is not continuously replicated, which is the semi-conservative replication（ ）.
- A PCR cycle consists of three steps, ___, ___, and ___.
- State the functions of the major enzymes and proteins involved in DNA replication.
A:UAA, UAG, UGA B:UCC, UCA, UAC C:UAA, UAC, UCA D:UGG, UAG, UGA
答案:UAA, UAG, UGA
A:DNA polymerase III catalyzes the addition of deoxynucleotide to the 5 'end of the primer B:DNA polymerase III catalyzes the addition of deoxynucleotide to the 3 'end of the primer C:The synthesis direction of leader strand is the same as the direction of replication fork movement D:The synthesis of the leading chain is continuous
A:对 B:错
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