Q. Which of the following is true of kinetochores?
A) They are the sites at which microtubules attach to chromosomes.
B) They are the primary centrosome structures that maintain the attachment of the sister chromatids prior to mitosis.
C) They cross at the cell's equator and move against each other, causing the cell to elongate.
D) They are located at the center of the centrosome and organize tubulin into spindle fibers.
โ Correct Answer: They are the sites at which microtubules attach to chromosomes.
Exam Insight
-