Draw nucleus of the cell and label the structure which encloses the nucleus be visible endangered mass of thread like structure C darkly strained round structure inside the nucleus second part name the two component of chromosomes mention the role of nuclear pore 3rd what does DNA molecules contain 4th give one differences between cytoplasm and nucleoplasm
Answers
Ans.
i) shown as an attachment
ii) The two components of chromosomes are coiled DNA and histones. The DNA is termed to be condensed around the another important component , i.e , histones which are termed as nuclear proteins.
- The role of the nuclear pore is control and maintain the movement of all the molecules moving from nucleus to the cytoplasm and also vice versa. As nuclear pores are protein consisting pathways enclosed in a nuclear envelope so they also safeguard the DNA molecule.
ii)The DNA molecule contains nucleotides which are responsible for transferring the genetic material from parents to the offspring. So basically DNA molecule comprises of genetic or herediatry materials.
iv) The major difference between cytoplasm and nucleoplasm is that the former one is termed to be seen in all kinds of cells whereas nucleoplasm is only found in eukaryotic cells.
