将MPF注射到G1期的细胞内,则G1期细胞的染色质开始()。
A. 解旋
B. 凝缩
C. 复制
D. 转录
E. 翻译
生物体细胞数目的增加通过()。
A. 细胞分裂
B. 减数分裂
C. 分离
D. 分化
E. 去分化
根据录音,选择合适的答案() 查看材料
A. Water steam will blast out of the tap.
B. Hot water will flow out of the tap.
C. Hands will get burnt by the hot tap.
D. Gas in the tap will cause explosion.
What does the phrase "back into the black" (Line 4, Para.2) mean?
A. Repay all their mortgage.
Become depressed again.
C. Back into a profitable state.
D. Get their houses back.