LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – BIOMEDICAL INSTRUMENTATION
FIRST SEMESTER – NOV 2006
AG 01
BI 1800 - TOOLS & TECHNIQUES IN CELL BIOLOGY
Date & Time : 26-10-2006/1.00-4.00
Dept. No.
Max. : 100 Marks
SECTION – A
Answer all questions :
10 X 2 = 20
1. What is autoanalyser ?Mention its uses .
2. What are the features of cell cycle?.
3. Comment on the genetic material of prokaryotes .
4. Define velocity and buoyant density .
5. What is “fluid mosaicmodel”?
6. What is called microtubular organelles ?
7. What is Autofluorescence ?
8. Define metachromasia ?
9. Compare euromartin with heterochromatin.
10. What is stem cell theropy ?
SEC TION– B
Answer any 4 questions :
4 X 10 = 40
11. Write an account on HPLC and its biological applications .
12. Explain the special features of FISH technique and give a note on its
advantages.
13. Describe the cytochemical characteristics of nucleus in eukaryotes .
14. Describe the structure and types of RNA and add a note on the role of mRNA
15. What are the characteristics of Hybridisation Probes?
16. Give an account of the sygnificance of culture media in animal tissue culture.
SEC TION– C
Answer any 2 questions:
2 X 20 = 40
1. Write an essay on the characteristics of cancer cells. Comment on the new and
developing therepies for treatment of cancer ?
18. Explain PCR and its applications in the identification of genetic diseases .
19. Give an account of physical principles involved phase contrast microscopy
and comment on its biological applications .
20. Write an essay on cell fractionation technique and isolation of cellular
components. Add a note on ultra centifugation
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