Q- State two differences between outer and inner nuclear membranes. Answer- The two main differences between outer and inner nuclear membranes are as follows: 1. The inner membrane of nucleus is studded with ribosomes whereas the outer membrane of nucleus is not studded with ribosomes. 2. The inner membrane of nucleus is joint or connected … Read more

Q- How many chromosomes does a human normal diploid cell has? Answer- A normal human diploid cell has 46 numbers of chromosomes.

Q- State the function of secondary constriction? Answer- The main function of secondary constriction is biosynthesis of r-RNA as it is the site of r-RNA.

Q- Of which substance is chromatin made of? Answer- Chromatin is made up of DNA and Protein.