M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Zoology
Core II BIOCHEMISTRY
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
All questions carry equal marks.
1. Explain sulfur containing amino acids.
2. What is zwitterions?
3. Define stereoisomerism.
4. Explain enantiomer
5. Define Chargaff's rule.
6. Explain miscellaneous lipid.
7. Define isoenzyme.
8. What is km?
9. Explain LH.
10. Define peptide hormones.
Sub. Code
509102
RW-856
2
ws2
Part B x 5 25)
Answer all questions choosing either or
11. Give a brief account on Ramachandran plot.
Or
Discuss about urea cycle.
12. Write a note on biological importance of
carbohydrates.
Or
Give a brief account on oxidative phosphorylation.
13. Explain about the structure and properties of fatty
acids.
Or
Write an account on nucleic acids and its structure.
14. Write a detailed note on enzyme inhibition process.
Or
Explain about the classification of vitamins.
15. Discuss about the structure of hormones.
Or
Briefly explain about hormonal regulation process.
RW-856
3
ws2
Part C x 10 30)
Answer any three questions.
All questions carry equal marks.
16. Write an essay on protein metabolism.
17. Explain a detailed note on TCA cycle and derive the
energy budjet.
18. Give a detailed account on biosynthesis of purine and
pyrimidine.
19. Write an essay on types, classification and properties of
enzyme.
20. Give an elaborate account on classification and
biosynthesis of hormones.
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