The entire family is ______ in scientific research.
A. dipped
B. immersed
C. saturated
D. submerged
查看答案
下列DNA模型中,属于左手螺旋的是()
A. Z-DNA
B. C-DNA
C. B-DNA
D. A-DNA
The basic causes are unknown, although certain conditions that may lead to cancer have been ______.
A. identified
B. guaranteed
C. notified
D. conveyed
能够促使保卫细胞膜上外向K+通道开发二导致气孔关闭的植物激素是()
A. CTK
B. IAA
C. GA
D. ABA
If you want to get into that tunnel, you have to ______ away all the rocks.
A. repel
B. haul
C. transfer
D. dispose