Question 1
在有丝分裂过程中,染色体形态最清晰、便于进行核型分析的时期是?
- A前期
- B中期
- C后期
- D末期
Answer: B. 中期
在中期,染色体高度螺旋化,并排列在细胞的赤道板上,形态最清晰,是观察和统计染色体数目的最佳时期。
UEC Senior 3 · Biology
高三Biology · 统考生物总复习 (UEC Biology Revision)
统考生物总复习 (UEC Biology Revision) is part of the UEC Senior 3 Biology syllabus. Practice the MCQs here to sharpen your exam technique — each question comes with a worked explanation.
Free sample questions
Question 1
Answer: B. 中期
Question 2
Answer: A. $ ext{ATP}$, $ ext{NADPH}$, $ ext{O}_2$
Question 3
Answer: C. 吞噬细胞
Question 4
Answer: A. $ ext{A}$与$ ext{T}$配对,$ ext{G}$与$ ext{C}$配对
Question 5
Answer: B. 磷脂双分子层
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