Download OU B.Sc 2019 Dec 1st Sem (1st Year ) 9012 Biochemistry (Cheistry of Bioolecules) Question Paper

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Code No. 9012

FACULTY OF SCIENCE

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B.Sc. (CBCS) I - Semester Examination, November/December 2019

Subject: Biochemistry (Chemistry of Biomolecules)

Paper : I

Time: 3 Hours Max. Marks: 80

Part — A (8x4 = 32 Marks)

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(Short Answer Type)

Note: Answer any EIGHT of the following.

1. Weak acid.
2. pH.
3. Henderson Hasselbalch equation.

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4. Naturally occurring peptides.
5. Essential and non-essential amino acids.
6. Denaturation of proteins.
7. Mutarotation.
8. Oligosaccharides.

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9. Glycosides.
10. Waxes.
11. Essential fatty acids.
12. Glycolipids.

Part — B (4x12 = 48 Marks)

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(Essay Answer Type)

Note: Answer all the following questions.

1. (a) Explain the scope of Biochemistry and add a note on Biological Buffers.
   OR
   (b) Explain the stereochemistry of amino acids in detail.

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2. Describe the titration curve of glycine & pK values and add a note on non-protein amino acids.
   OR
   Discuss the primary and secondary organization of proteins.
3. Explain the structure and functions of polysaccharides.
   OR
   

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   Describe the classification and structure of phospholipids and sphingolipids.
4. Explain the amphipathic lipids behavior in water - formation of micelles.