M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Bioinformatics
BIOMOLECULES
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
All questions carry equal marks.
1. Define "Hydrophobicity".
2. Mention the three and single letter codes of Tryptophan
and Lysine.
3. How to follow "Rate of a reaction"?
4. What is "substrate analogue"?
5. Printout the important sugars of cell surface.
6. Which are the amino acids generally undergo
Glycosylation?
7. Brief about "Lipid bilayer".
8. How "Phospho diester" linkages are formed?
9. Write a note on "Chlorophyll".
10. Mention any two secondary messengers.
Sub. Code
502102
RW-844
2
Sp4
Part B 5 25)
Answer all questions choosing either or
11. Appreciate biomolecular hierarchy.
Or
Explain the structure of hemoglobin.
12. Discuss the term "catalysis" and how enzymes act
as a catalyst.
Or
Explain "Active site" architecture by considering an
enzyme of your choice.
13. Appreciate role of polysaccharides with respect to
cellular structure.
Or
Discuss two different glycosylation possibilities.
14. Explain the lipid bi-layer concept.
Or
Draw a trinucleotide and explain important bands.
15. Why metabolism should be regulated?
Or
Explain "Phosphorylation" process.
RW-844
3
Sp4
Part C 10 30)
Answer any three questions.
16. Explain quaternary structure of a protein with an
example.
17. Elaborate Michaelis-Mention kinetics.
18. Explain how lipids and proteins are getting attached with
carbohydrates.
19. Discuss DNA structures in detail.
20. Explain photosynthesis for its complex mechanism.