Discussion
'Kinetochore' is generally called as
Answer: C
On the key, the kinetochore is generally called the centromere.
The centromere is the constricted region of a chromosome where the two sister chromatids are held together. The kinetochore is the protein disc assembled on the centromere, to which spindle fibres attach during cell division. Because the two are found at the same place and work together, older textbooks often use 'kinetochore' and 'centromere' interchangeably, which is the sense of the question.
The centrosome is the organelle with the centrioles that organises the spindle, the chromosome is the whole structure, and the mesosome is an infolding of the membrane in bacteria.
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