右图表示细胞有丝分裂一个细胞周期所用的时间,则下列说法正确的

右图表示细胞有丝分裂一个细胞周期所用的时间,则下列说法正确的是







①甲→乙的过程表示分裂期;②乙→甲的过程表示分裂间期;

③一个细胞周期是指甲→甲的全过程;④一个细胞周期是指乙→乙的全过程

    A.①           B.②           C.③            D.④

答案

C

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