M.Sc. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2017.
Third Semester
Chemistry
Paper III BIO-ORGANIC CHEMISTRY
2 20133 A
Time 3 Hours Max. Marks 70
SECTION — A
Answer any FIVE questions. 6 30 Marks)
1. Explain transition state theory.
2. Explain action of Ribonuclease.
3. Explain advantages of fermentation.
4. Explain gene therapy.
5. What are co-factors?
6. Explain about co-enzymes.
7. Explain iso-electric point.
8. Explain Biuret reaction.
SECTION — B
Answer ALL questions. 10 40 Marks)
9. Explain enzyme catalysis in detail.
Or
Explain covalent catalysis, action of carboxy enzymes.
10. Explain principles of finger printing technology.
Or
Explain various applications of recombinant DNA technology.

11. Explain biological functions of various co-enzymes.
Or
Explain about ATP, UDP Sugars SAM.
12. Explain various preparation methods of aminoacids.
Or
Explain primary, secondary, tertiary and quaternary structures of proteins.
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