M.Sc. DEGREE EXAMINATION, APRIL/MAY 2018.
Second Semester
Botany/Zoology/Bio-Technology/Bio-Chemistry/Micro-Biology
Paper II ENZYMOLOGY
(New Syllabus)
2 15022 AA
Time 3 Hours Max. Marks 70
SECTION — A
Answer any FIVE questions. 6 30 Marks)
1. Lysozyme
2. Phosphorylation
3. Oxygen binding to hemoglobin
4. pH
5. Allosteric enzymes
6. Trypsin
7. Pantothenic acid
8. Arrhenius concept.
SECTION— B
Answer ALL questions. 10 40 Marks)
9. Give an account on chemicals to identify active site residues.
Or
Write an essay on nomenclature and classification of enzymes.
10. Give an account on enzyme inhibitors as drugs.
Or
Give an account on reversible and irreversible activation of enzymes.

11. Give a detailed account on catalytic mechanism of RNase.
Or
Write an essay on nucleophilic and electrophilic attacks.
12. Give an account on Isoenzymes and their significance.
Or
Give an account on sigmoidal kinetics and their physiological significance.
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