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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
M.Sc.DEGREE EXAMINATION -ZOOLOGY
SECOND SEMESTER APRIL 2018
17PZO2MC03- BIOCHEMISTRY
Date: 21-04-2018 Dept. No. Max. 100 Marks
Time: 01:00-04:00
PART- A
Answer ALL the questions. (10×2 20 marks)
1. What are ketone bodies?
2. Comment on cellular respiration.
3. What are cytochromes?
4. Write a note on insulin and glucogon.
5. What are zymogens?
6. Comment on atomic theory.
7. What are free radicals?
8. Comment on Atherosclerosis.
9. What are isotopes?
10. Write a note on the amphoteric nature of protein molecules.
PART- B
Answer any FOUR questions. (4×10 40 marks)
11. Describe about fat soluble vitamins its importance.
12. What are lipids- Describe.
13. Explain the role of pH in biological systems.
14. Describe the process of catabolism of nucleic acids.
15. Describe the process of electron transport oxidative phosphorylation.
16. What are stabilizing interactions? Describe.
PART- C
Answer any TWO questions. (2×20 40 marks)
17. Describe and discuss about the structure and functions of carbohydrates.
18. Write an essay on the future of biochemistry.
19. Form an essay on enzyme in biochemistry.
20. Write an essay on the conformational changes of proteins and its importance.