Chromatin is $.......P......$ in nature,so it is stained with $......Q......$ type of stain.

The given diagram shows the types of chromosomes (labelled as $A, B, C$ and $D$) based on the position of the centromere. Which one is the correct option for the labelled chromosomes $A, B, C$ and $D$?

What is meant by a satellite in the context of chromosomes?

The puffs and rings are associated with the

Through which structure does the movement of $RNA$ and protein molecules occur between the nucleoplasm and the cytoplasm?

Identify the structure shown below.