Which statement about replication of bacterial chromosome DNA is not right?
A. Each of the two DNA strands serves as a template for the synthesis of a new, complementary strand.
B. The synthesis of new DNA strand is in direction from 3` terminus to 5` end.
C. The synthesis of the lagging strand is discontinuous.
DNA polymerase III catalyzes synthesis of new DNA strand
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Which enzyme folds the bacterial chromosome into supercoiled form?
A. RNA polymerase;
B. DNA polymerase;
C. nuclease
D. gyrase;
Which statement about bacterial chromosome is not right?
A. Most bacterial chromosome is a haploid genome.
B. The bacterial chromosome folds to be supercoils like a skein of yarn.
C. The bacterial chromosome is located in the nucleoid.
D. The chromosome of Vibrio cholera is of diploid genome.
( )是建设中国特色社会主义的一项基本国策。
A. 一国两制
B. 对外开放
C. 三个有利于
D. 四个现代化
“一国两制”伟大构想的首次公开提出是解决( )问题。
A. 台湾
B. 香港
C. 澳门
D. 钓鱼岛