2
Q:
A) They are the primary centrosome structures that maintain the attachment of the sister chromatids prior to mitosis. | B) They are the sites at which microtubules attach to chromosomes. |
C) They are located at the center of the centrosome and organize tubulin into spindle fibers. | D) They cross at the cell's equator and move against each other, causing the cell to elongate. |
Answer: B) They are the sites at which microtubules attach to chromosomes.
Explanation:
Explanation:
They are the sites at which microtubules attach to chromosomes.