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
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
