MAY 2017 Sub.Code :1501
FIRST B.N.Y.S. DEGREE EXAMINATION
PAPER I BIO CHEMISTRY
Q.P. Code 821501
Time: Three Hours Maximum 100 Marks
Answer All questions
I. Essay Questions: x 15 30)
1. Explain briefly about the breakdown of tissue proteins, amino acid pool and
general metabolism of amino acids.
2. Briefly explains about the abundant sources, metabolism, transport and
deficiency manifestations of calcium and phosphorus.
II. Write Notes on: (10 x 5 50)
1. Write a note on lipogenesis and synthesis of fatty acids.
2. Urea cycle.
3. Biological importance of peptides and structure of insulin.
4. Short note on structure of protein coagulation and denaturation of proteins.
5. Diagnostic importance enzyme and isoenzymes.
6. Functions of immunoglobulins.
7. Post transcription modification.
8. Formation of glutamate and glutamine.
9. Role of the kidney and lungs in maintaining PH of blood.
10. Active and facilitated diffusion.
III. Short Answers on: (10 x 2 20)
1. Define composition of triglycerol.
2. Neutral lipids.
3. Co- Factors.
4. Degradation of heme.
5. Difference between the replication and transcription.
6. Ketosis.
7. Spongiolipids.
8. Haemoglobin.
9. Fatty liver.
10. Write a structure of DNA.