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[QUOTE=hemalathaijt;194852][B]Document Described : Pithapur Rajas Govt College
I B.Sc; BIOCHEMISTRY-PAPER-I 
I SEMESTER
MODEL QUESTION PAPER 2011-12 (Carbohydrates,Lipids,Aminoacids,Peptides)
Time:3hrs Maximum marks:75[/B]

[B]Home Page[/B] : [URL]http://www.prgc.ac.in/index.php[/URL]
[B]Model Question Paper[/B] : [URL]http://www.prgc.ac.in/files/Syllabus/Bio%20Chemistry.pdf[/URL]

PART-1 
Answer any THREE questions choosing at least one question from each section 10X3=30 Marks

SECTION –A
1.Describe the bacterial cell wall polysaccharides. (CARBOHYDRATES AND LIPIDS) 
2.write an account on structure of prostaglandins and biological role of PGD2 ,PGE2
3.Describe the molecular structure of fluid mosaic model of plasma membrane

SECTION-B
4.Classify the Amino Acids basing on t heir structure. (Amino Acids,Peptides and Proteins)
5.Describe the quarte ary structure of proteins. 
6.Describe various chemical reactions of amino acids.

PART-2 Answer any FIVE questions.(Short answer questions) 5x5=25 Marks 
7.Structure and biological importance of disaccharides.
8.Mutarotation. 
9.Lipoproteins-Types and functions.
10.Henderson-Hasselbalch equation 
11.Peptide-Glutathione.
12.Classification of proteins based on function.
13.Protein Sequencing. 
14.General Properties and structure of Sphingolipids.

PART-3 
Answer any TEN questions.(Very short answer questions) 10x2=20 Marks 
15.Anomers. 
16.Structure of Sedoheptulose,Lyxose.
17.Glycoprotein s.
18.Saponification. 
19.Structure of Cholestrol.
20.Essential and non-essential amino acids. 
21.Factors stabilizing structure of protein.
22.Aromatic amino acids. 
23.Water as biological solvent.
24.Classification of proteins basing on shape. 
25.Peptide bond. 
26.Micelle.

Note:5 marks and 2 marks questions should be given from Unit I and Unit II with equal weihtage.[/QUOTE]

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