M.Sc. DEGREE EXAMINATION, APRIL 2018
First Semester
Botany
CELL BIOLOGY AND BIOPHYSICAL CHEMISTRY
(CBCS 2017 onwards)
Time 3 Hours Maximum 75 Marks
Section A (10 X 2 20)
Answer all the questions.
1. Peroxisome.
2. Vacuoles.
3. Heterochromatin.
4. Interrupted genes.
5. Gyconeogenesis.
6. Transamination.
7. pH.
8. Bioenergetics.
9. -sheets.
10. Micro RNA.
Sub. Code
7MBO1C4
AFS-0597
2
Ws8
Section B X 5 25)
Answer all questions, choosing either or
11. Explain intracellular transport mechanism in brief.
Or
Explain the structure and functions of Cytoskeleton
and its importance.
12. With neat diagrams explain the mechanism of
Lac Operon concept.
Or
Describe the Cell cycle with neat diagram.
13. Briefly describe the structure, types and functions
of Carbohydrates.
Or
Give an account of Proteins and their role in
biological systems.
14. Explain the Oxidative phosphorylation in detail.
Or
Write briefly on enzyme catalysis mechanism.
15. Describe briefly the applications of Ramachandran
Plot.
Or
With labeled diagram explain the secondary
structure of Proteins.
AFS-0597
3
Ws8
Section C X 10 30)
Answer any three questions.
16. Explain in detail the Cell membrane structure and
functions with labeled diagrams.
17. With labeled diagram describe the organization of
Chromosome.
18. Discuss in detail on major pathways of carbohydrate
metabolisms.
19. Explain Enzyme kinetics in detail.
20. Write in detail on nucleic acid conformation and its
stability.