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Posted Date: 31 Oct 2009      Posted By: Sree....      Member Level: Platinum

2007 Andhra Pradesh State Jawaharlal Nehru Technological University Code No: RR212304 II B.Tech I Semester Supplimentary Examinations, November 2007 BIO-CHEMISTRY [ Set No. 1] Question paper



Course: B.Tech   University: Jawaharlal Nehru Technological University




Code No: RR212304 Set No. 1
II B.Tech I Semester Supplimentary Examinations, November 2007
BIO-CHEMISTRY
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks

1. (a) Discuss the structure of dextran polymer.
(b) What is the composition of lignin polymer? [8+8]
2. Illustrate the branching points of glycogen and starch polysaccharides. Explain the
salient features of these polymers. [16]
3. Write the structure and functions of the following:
(a) Palmitic acid
(b) Arachidonic acid
(c) Linoleic acid
(d) a-linolenic acid [4x4]
4. Write about the structures of any five aminoacids and add a note on the properties
on aminoacids. [5+11]
5. Describe the pathways in the biosynthesis of aromatic amino acids. [16]
6. Describe the pathways involved in:
(a) Glycogenesis
(b) Glycogenolysis [8+8]
7. Is CO2 uptake and O2 production directly proportional in photosynthesis? [16]
8. What is the primary source of energy for life on earth? Define non-cyclic pho-
tophosphorylation system in plants. [3+13]

1 of 1




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