细胞周期中,在G1/S和G2/M处都有检验点。()
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细胞周期并不总是完整的,有时会缺乏某一时相。()
A. 对
B. 错
无丝分裂只发生在低等生物的细胞增殖过程中。()
A. 对
B. 错
Fill in the blanks.选词填空。improved tries Culture sounds noticed__________ is different from country to country.
1 __________ that a foreign traveller lost his way in the mountain.