Biology · CELL CYCLE AND CELL DIVISION

Consider the following statements regarding the stages of mitosis: (A) At the end of prophase, cells do not show Golgi complexes, endoplasmic reticulum, nucleolus, and nuclear envelope when viewed under the microscope. (B) Centrosome duplication occurs during G2 phase of the cell cycle. (C) Metaphase is characterised by all chromosomes lying at the equator with their kinetochores connected by spindle fibres to both poles. (D) Centromeres divide during telophase to allow nuclear envelope reformation. Which of the above statements are correct?

1. A
   (A) and (C) only
2. B
   (B) and (D) only
3. C
   (B), (C) and (D) only
4. D
   (A) and (B) only