LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – ADVANCED ZOOLOGY & BIOTECH.
FIFTH SEMESTER – November 2008
AZ 5500 - CELL BIOLOGY
Date : 03-11-08
Time : 9:00 - 12:00
Dept. No.
GA 12
Max. : 100 Marks
SECTION – A
Answer in a FEW sentences.
(10 X 2 = 20 marks)
1. What is Resolving power?
2. Define cell theory
3. What is prokaryote?
4. What is Vital staining?
5. What are peroxisomes?
6. What is active transport?
7. Illustrate Okazaki fragments.
8. What is Giant chromosome?
9. What is Cytokinesis?
10. Define Oncogene.
SECTION – B
Briefly Answer any FOUR of the following
(4 X 10 = 40 Marks)
11. Describe the structure and function of Camera lucida.
12. Write the basic principles of fixation.
13. Write the functions of Lysosomes.
14. Draw the structure of DNA and explain the method of replication.
15. Write the types of RNA and their function.
16. Explain the various stages of cell cycle with suitable examples.
SECTION – C
Write any TWO detailed answer
(2 X 20 = 40 Marks)
17. Explain the principle and application of Electron microscope.
18. Explain the principle and protocol of cell fractionation and centrifugation.
19. Describe the structure and function of Mitochondria.
20. Give an account of Protein synthesis.
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