Point references you used to answer these questions.

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

1. Alberts, B., Johnson, A., Lewis, J., Raff, M., Roberts, K., & Walter, P. (2002). Molecular Biology of the Cell (4th ed.). New York: Garland Science.

2. Berg, J. M., Tymoczko, J. L., & Gatto, G. J. (2002). Biochemistry (5th ed.). New York: W. H. Freeman and Company.

3. Rodwell, V. W., Bender, D. A., Botham, K. M., Kennelly, P. J., & Weil, P. A. (2014). Harper's Illustrated Biochemistry (30th ed.). New York: McGraw-Hill Education.

4. Strachan, T., & Read, A. P. (2011). Human Molecular Genetics (4th ed.). New York: Garland Science.

5. Valle, D., Beaudet, A. L., Vogelstein, B., Kinzler, K. W., Antonarakis, S. E., & Ballabio, A. (2014). The Online Metabolic and Molecular Bases of Inherited Disease. New York: McGraw-Hill.