M.Sc. DEGREE EXAMINATION, APRIL 2016
Biotechnology
CELL BIOLOGY
(CBCS 2013 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 2 20)
Answer all questions.
All questions carry equal marks.
1. Peroxisomes.
2. Chromatin.
3. Osmosis.
4. G0 phase.
5. Photosynthesis.
6. Cellulose.
7. Hybridoma.
8. Apoptosis.
9. Oncogene.
10. Biological clock.
Sub. Code
501104
RW-10967
2
Wk6
Part B 5 25)
Answer all questions choosing either or
11. Write short notes on structure and functions of
mitochondria.
Or
Give an account on structure and functions of
microtubules.
12. Write short notes on active transport mechanism.
Or
Explain about insertion of proteins into ER
membrane.
13. Discuss about specific roles of hormones in cellular
differentiation.
Or
Give an account on nature, composition of plant cell
wall.
14. Give an account on proteasome.
Or
Write short notes on necrosis.
15. Write short notes on tumor suppressor genes.
Or
Explain two different theories of aging.
RW-10967
3
Wk6
Part C 10 30)
Answer any three questions.
16. Write a detailed account on chromatin organization and
packaging.
17. Explain about cell cycle and its regulation.
18. Discuss about organization of shoot and root apical
meristem.
19. Explain in detail about classification and cellular
functions of chaperons.
20. Narrate metabolic and hormonal disturbance theories
regarding tumor formation.