A) kinetochore
B) centrosome
C) centriole
D) secondary constriction
Correct Answer: A
Solution :
The centromere contains a specific DNA sequence of about 220 nucleotides, to which is bound a disc of protein called the kinetochore. The kinetochore is the site to which spindles will attach to pull the sister chromatids apart in later stage of mitosis.
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