Centriole starts to duplicate itself at()
查看答案
The time of____phase is the shortest one among all the phases of cell cycle ()
A. S
B. G2
C. M
D. G1
Haploid cells are cells with()
A. One set of chromosomes
B. Circular chromosomes
C. Two sets of chromosomes
D. Many sets of chromosomes
The cyclin-CDK pairs work during G1 phase are()
A. cyclinA&B and the corresponding Cdk
B. cyclinA&E and the corresponding Cdk
C. cyclinD&E and the corresponding Cdk
D. cyclinB&E and the corresponding Cdk
Typical feature of chromosome can be observed in()
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
微信支付 
支付宝支付