Chromosomes spread in the form of an indistinct network are called:

Identify the cell organelle based on the following characteristics:
- It is not a membrane-bound organelle.
- It is the site for active ribosomal $RNA$ $(rRNA)$ synthesis.
- It is a spherical structure.

The nucleus is enclosed in:

What is the feature of a metacentric chromosome?

In which type of chromosome is the centromere situated in the middle?

The shape of the chromosome is determined by