LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – ZOOLOGY
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SECOND SEMESTER – APRIL 2007
ZO 2808 – CELL AND MOLECULAR BIOLOGY
Date & Time: 17/04/2007 / 1:00 – 4:00 Dept. No. Max. : 100 Marks
SECTION – A
Answer ALL questions (10 X 2 = 20 Marks)
1.Comment on Anaplasia.
2.Differentiate prophage and temporal phage.
3.What is nuclear genome?
4.Comment on oncogene activation.
5.Differentiate prokaryotic and eukaryotic cells.
6.Comment on polytene chromosome.
7.What are endocytosis and exocytosis?
8.Define Euphenics.
9.What is noval gene?
10.List out the significance of meiosis.
SECTION – B
Answer any FOUR questions (4 X 10 = 40 Marks)
11.Define transformation. Explain Griffith’s experiment in relation to transformation.
12.Explain the relationship between Telomere and aging process.
13.Explain the cytoplasmic influence of nucleus, inhibition of nucleus, influence of
nuclear maturation and chromosomal elimination.
14.Write notes on significance of museum specimen.
15.Define finger printing. Explain about making DNA finger printing.
16.Write an account on pedigree analysis.
SECTION – C
Answer any TWO questions (2 X 20 = 40 Marks)
17.Explain different functions of Lysosomes.
18.Define DNA replication. Explain the mechanism and different types of DNA
replication.
19.Write an essay on cancer as a genetic disease and write notes on oncogenes.
20.Give an account on Lac operon in E.coli.