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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
M.Sc.DEGREE EXAMINATION FOOD CHEMISTRY AND FOOD PROCESSING
SECONDSEMESTER APRIL 2018
FP 2801- NUTRITIONAL BIOCHEMISTRY
Date: 19-04-2018 Dept. No. Max. 100 Marks
Time: 01:00-04:00
Part A
Answer ALL the questions.Each carries TWO marks (10 x marks
1. Define Electron transport chain.
2. What are un couplers? Give one example.
3. Mention the role of Insulin and Glucagon in blood glucose regulation.
4. Mention the rate limiting enzymes in fatty acid synthesis.
5. Write the energitics of TCA Cycle.
6. What is the role of ATPase pumps located across biological membranes?
7. Define DNA replication.
8. Mention the key regulatory enzymes involved in Glycolysis.
9. What is De amination? Give an example.
10. Define de carboxylation reaction of amino acids.
Part B
Answer ANY EIGHT questions. Each carries FIVE marks x 5 marks
11. Explain aerobic glycolysis process.
12. Write a note on gluconeogenesis.
13. Discuss urea cycle with its regulation.
14. Explain the role of aldosterone and renin-angiotensin system in sodium balance.
15. Write a note on Na- K ATPase pump.
16. Comment on the significance of HMP shunt.
17.Explain the Transcription process.
18. Enumerate the following;
Role of statins in fat metabolism.
ii) Conversion of mevalonate to phosphomevalonate
19. Discuss oxidative phosphorylation
20. Write a note on β oxidation of fatty acids, with its energitics.
21. Comment on chemiosmotic hypothesis.
22. Discuss the supra molecular architecture of biological membranes.
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Part C
Answer ANY FOUR questions. Each carries TEN marks x 10 40) marks
23. Explain TCA cycle and its regulation.
24. Discuss the following
Transamination in amino acid metabolism
ii) Complex IV in electron transport chain
iii) Elongation process in DNA replication
25. Discuss Glycogenolysis with its regulation.
26. Explain the possible inborn errors of carbohydrate metabolism.
27. Write a detailed note on the following
Phenyl
ii)
28. Write a detailed note on prokaryotic Translation process.