LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION - FOOD CHEMISTRY & FOOD PROCESSING
SECOND SEMESTER – APRIL 2011
FP 2801 - NUTRITIONAL BIOCHEMISTRY
Date : 05-04-2011
Time : 1:00 - 4:00
Dept. No.
Max. : 100 Marks
Part A
Answer all the questions.
10x2=20
1. What is the role of proton pump in electron transfer reactions?
2. Mention the importance of complex II in electron transport chain.
3. Calculate the energetic for β oxidation of saturated fats.
4. What is the end product of anaerobic glycolysis? How many ATP molecules are utilized in this
reaction?
5. Write a note on glycosuria.
6. What is DNA dependent RNA synthesis? Name the enzyme involved in this process.
7. List the possible enzymes involved in DNA replication.
8. What are nucleotides? Write the structure of ATP.
9. List any two important functions of PUFA and EAA.
10. Name the two important hormones involved in regulating blood glucose level. Mention the
normal blood glucose level.
PartB
Answer any eight questions.
8x5=40
11. Explain complex I and complex III of Electron transport chain.
12. Write a note on Urea cycle.
13. What is the role of respiratory mechanism in maintaining the acid base balance of the body?
14. Draw a double helical structure of DNA with its nucleotide sequence and base pairing and
explain chargoff’s rule.
15. Write a note on oxidation of unsaturated fats.
16. Enumerate the important functions of cholesterol with its structure and its normal serum level.
17. Explain complex V of Electron transport chain.
18. Write a note on base excision repair.
19. Explain the importance of HMP shunt.
20. Discuss DNA recombination process.
21. Explain the importance of Acetyl CoA in metabolic reactions.
22. Write a note on glycogen storage disease
Part C
Answer any four questions.
4x 10=40
23.Explain the role of various complexes involved in respiratory chain.
24. Explain the reactions involved in amino acid oxidation.
25. Write a detailed note on cholesterol biosynthesis.
26. Explain the role of enzymes involved in prokaryotic replication with diagrammatic
representation.
27. Discuss protein synthesis in prokaryotes.
28. Draw and Explain Genetic code table, with its salient features.
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