![Which of the following is true for nucleolus?](https://www.gkseries.com/blog/wp-content/uploads/2023/09/Which-of-the-following-is-true-for-nucleolus.jpg)
Which of the following is true for nucleolus?
Option 1 : Larger nucleoli are present in dividing cells.
Option 2 : It is a site for active ribosomal RNA synthesis.
Option 3 : It takes part in spindle formation.
Option 4 : It is a membrane-bound structure.