40. At which phase is centrioles beginning to duplicate in animal cells?
(A) interphase
(B) prophase
(C) metaphase
(D) anaphase
(E) telophase
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統計: A(45), B(19), C(1), D(1), E(0) #938280
統計: A(45), B(19), C(1), D(1), E(0) #938280