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Posted By: Sra1 Member Level: Diamond Posted Date: 02 Jun 2008
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2008 Jawaharlal Nehru Technological University Biotechnology MOLECULAR BIOLOGY (II B.Tech II Semester Supplimentary Examinations, Apr/May 2008) Question paper
Set No 3
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II B.Tech II Semester Supplimentary Examinations, Apr/May 2008
MOLECULAR BIOLOGY
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
* * * * *
1. In what component parts do DNA and RNA differs? [16]
2. What is the start site for DNA replication? [16]
3. In yeast tRNA splicing, what is the importance of secondary structure? [16]
4. When a globular protein folds into its native conformation, there is an increase in order of the protein (i.e., a decrease in its entropy). Explain the types of energetic factors that overcome this unfavorable entropic effect to make protein folding possible. [16]
5. Briefly describe physical, chemical and biological methods of developing new mutations. [16]
6. Write a note on split genes. [16]
7. Describe the conjugation process in F+ and F- bacteria. [16]
8. How do transpons cause mutations? [16]
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