NTA Abhyas NEET2020BotanyCell Cycle and Cell DivisionPractice
Which of these pairs are incorrectly clubbed together?
Options
- ACells in adult animals which do not divide - Heart cells
- BEquational division - Mitosis
- CDisc shaped structures at the surface of centromere - Kinetochores
- DInitiation of assembly of mitotic spindle - Mitotic metaphase
Correct answer
D. Initiation of assembly of mitotic spindle - Mitotic metaphase
Step-by-step solution
Heart cells on differentiation lose the ability to divide in adulthood. Mitosis is the cell division process where the cell divides to form two identical daughter cells to its parent cell. Kinetochores are present over the centromeres that held the sister chromatids together. Kinetochores are disc shaped. The mitotic spindle apparatus forms during the prophase of mitosis and in metaphase the chromosomes move towards the equator.