Friday, January 8, 2016

Paper VI – BIOCHEMISTRY – II,Dr. MGR University Question Paper,2012 Question Paper,FIRST M.B.B.S.

Dr. MGR University Question Paper
FIRST M.B.B.S. DEGREE EXAMINATION
Revised (Non-Semester) Regulations
Paper VI – BIOCHEMISTRY – II
Q. P. Code : 524056
Time : 180 Minutes Maximum: 50 Marks
Answer ALL questions in the same order.
Draw Suitable diagrams wherever necessary
I. Elaborate on :
 1. Describe the metabolism of tyrosine.
 Name the inborn errors associated with this pathway (10 x 1 = 10)
 2. Enumerate the liver function tests and how Vanden Bergh test distinguishes different
 types of jaundice. (5 x 1 =
5)
II. Write notes on: (10 x 2 = 20)
 1. Post translational modifications
 2. Electrophoresis
 3. Repair mechanism of DNA
 4. Salvage pathway of Purine synthesis
 5. Functions of Glucocorticoids
 6. Functions of albumin
 7. Precipitation reactions of Proteins
 8. Tubular function tests
 9. Role of Kidney in regulating the pH of blood
 10. Immunoglobulins.
III. Short Answers on : (15 x 1 = 15)
 1. Restriction Endonucleases
 2. Mutagens
 3. Lesch Nyhan Syndrome
 4. Denaturation of Proteins
 5. Differences between DNA and RNA
 6. What are the enzymes required for DNA replication
 7. What is the principle of affinity Chromatography
 8. What are the causes of respiratory acidosis
 9. Maple syrup urine disease
 10. Urea clearance
 11. Bence Jones Protein
 12. What are Oncogenes?
 13. Beer – Lambert’s Laws
 14. What are the forces that stabilize secondary structure of Proteins
 15. Name the basic Amino Acids. 
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