在胚胎发育中,一部分细胞对临近的细胞产生影响,并诱导这些细胞向特定方向分化的现象称为()。
A.胚胎诱导
B.细胞分化
C.细胞决定
D.转分化
E.去分化
参考答案:A
用所给词适当形式填空。
1. This is a ____________ (sun) day.
2. It's ____________ (cloud), not ____________ (rain).
3. What day is tomorrow? Wednesday, March ____________ (six).
4. The ____________ (five) day of the week is Thursday.
5. The boy in yellow is the ____________ (three).