Point references for those questions that may be relevant to information you provide.

1.Discuss on Nucleic acid structures and compositions.
2. De novo synthesis of purine nucleotides.
3. Degradation of purine nucleotides and associated diseases.
4. De novo synthesis of pyrimidines. 5.Disorders of pyrimidine metabolism

References:

1. Alberts, B., Johnson, A., Lewis, J., Raff, M., Roberts, K., & Walter, P. (2002). Molecular biology of the cell. New York: Garland Science.
2. Berg, J. M., Tymoczko, J. L., & Gatto, G. J. (2002). Stryer's biochemistry.New York: W.H. Freeman.
3. Lehninger, A. L., Nelson, D. L., & Cox, M. M. (2000). Lehninger Principles of Biochemistry. New York: Worth Publishers.
4. Voet, D., Voet, J. G., & Pratt, C. W. (2006). Fundamentals of Biochemistry. New York: John Wiley & Sons.
5. Löffler, M., & Christiansen, N. E. (2018). Chapter 9 – Pyrimidine Metabolism. In Biochemistry (8th ed., pp. 327-350). Philadelphia: Brooks/Cole.