21. Kinetochore is a structure that _____.
(A)allows spindle microtubules to attach to the chromosome centromere
(B) organizes the microtubule cytoskeleton
(C)allows homologous recombination during meiosis
(D) promotes the formation of replication fork
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統計: A(4), B(0), C(0), D(0), E(0) #3386688
統計: A(4), B(0), C(0), D(0), E(0) #3386688