LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.
APRIL 2007
IB 50
VS 423 - RECOMBINANT DNA TECHNOLOGY
Date & Time: 28/04/2007 / 1:00 - 4:00
Dept. No.
Max. : 100 Marks
Part A (10 x 2 = 20)
Write short notes on the following:
1. DNA methylase
2. Palindromic sequences
3. Reverse transcriptase
4. Selectable markers
5. DNA primer
6. Jumping genes
7. Ti plasmid
8. Hb vaccine
9. “Super bug”
10. Intellectual Property Rights
Part B (5 x 8 = 40)
Answer any FIVE of the following, not exceeding 350 words each. Draw necessary diagrams.
11. Comment on restriction and modification systems of E. coli.
12. Give the protocol for restriction mapping of DNA.
13. Bring out the strategies for the construction of genomic DNA library.
14. Write notes on various expressions of cloned genes.
15. Explain restriction fragment length polymorphism and its applications.
16. Describe Maxam and Gilbert DNA sequencing process.
17. Enumerate and explain the International Safety Guidelines.
Part – C (2 x 20 = 40)
Answer the following in not more than 1500 words. Draw necessary diagrams.
18. (a) Describe the classification of restriction enzymes. Give suitable examples.
Or
(b) Explain the types of vectors used in recombinant DNA technology.
19. (a) Write detailed notes on industrial applications of rDNA technology.
Or
(b) Bring out the social and moral implications of genetic engineering.
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