Continuity and Change D.4 Cell & Nuclear Division (id: b224bda23)

本题目来源于试卷: Continuity and Change D.4 Cell & Nuclear Division，类别为 IB生物学

[问答题]
The graph below shows the relative am+d) w26 e fl(1hnmmblczlt ,c;ount of DNA in one cell durinywa1y*xmh-v9)6 hz0 -z zjqvu3w ax0v g one complete cell cycle. Each -3wvy00zz- yxha mwv a9j x*u6q1h)z vletter represents one stage of the cell cycle.


1.1.State which stage of mitosis or interphase is represented by stage B in the graph.

1.2.Explain your answer to part (i).

1.3.Bortezomib is an anticancer medication and arrests cells in the G$_2$ phase. If a cell shown in this graph began the cell cycle at A with 3 relative units of DNA, and Bortezomib was applied to the cell culture at stage A as well, estimate the relative amount of DNA in the cell at the end of C.

2.Explain why the amount of DNA in one cell remains the same in stages C and D.


3.The diagram above shows cells in different stages of mitosis. Label one cell that is in prophase and one cell that is in anaphase.

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