QP.Code 106001 Reg No.:
First Professional MBBS Degree Supplementary Examinations-January 2018
BIOCHEMISTRY - PAPER II
Time: 3 hrs Max marks : 50
• Answer all questions
• Draw diagrams wherever necessary
Essay (10)
1, Describe the sources, RDA, functions and deficiency disorders associated with vitamin D. (1+1+4+4)
Short essays (2x6=10)
2. Porphyrias.
3. Describe post transcriptional modifications and its significance with examples.
Short notes (5x3=15)
4. Okazaki fragments.
5. Name three factors regulating plasma calcium levels
6. Chloride shift
7. Absorption of iron
8. Bence-Jones proteins
Answer briefly (5x2=10)
9. Ceruloplasmin
10. Fluorosis
11. Vanden Berg reaction
12. Base-pairing rule
13. Oncogenes
Give precise answers (5x1=5)
14. Name the deficient enzyme in Lesch-Nyhan syndrome
15. Mention the function of spliceosomes
16. Name two DNA repair mechanisms
17. Tumor markers
