M.B.B.S-M.B.B.S 1st Year BIOCHEMISTRY- PAPER I(Kerala University of Health Sciences-2013)

Q.P. Code: 105001                                       Reg. no.: …………………
First Professional MBBS Degree Examinations, August 2013
BIOCHEMISTRY- PAPER I

Time: 3 Hours                                                                                                                    Total Marks: 50

• Answer all questions

• Draw diagrams wherever necessary

Essay (10)

1. Discuss the metabolism of phenylalanine.
Short essays (2x5=10)
2. Digestion and absorption of lipids.
3. Describe glycogen metabolism.
Short notes (5x3=15)
4. Mutarotation
5. Essential fatty acids.
6. Isoenzymes.
7. Co-enzyme Q
8. Fate of pyruvate.
Answer briefly (5x2=10)
9. Regulation of cholesterol synthesis.
10. LDL receptor.
11. GABA
12. Albinism.
13. Ketogenic amino acids.
Give precise answers: (5x1=5)
14. What are epimers.
15. What is lecithin and mention its use.
16. Define iso-electric pH.
17. Name two transport proteins.
18. Mention two examples of biologically important peptides.
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