BIOCHEMISTRY PAPER 1- 1ST MBBS KUHS QUESTION PAPER- AUGUST 2015



Q.P.Code 105001                                                          Reg. No.:…………………

            First Professional MBBS Degree Examinations - August 2015

BIOCHEMISTRY - PAPER  I
Time : 3 hrs                                                                                                  Max marks : 50
                           
•      Answer all questions
•      Draw diagrams wherever necessary

Essay             (10)

1. Enumerate the components of electron transport chain. Describe the synthesis of
ATP. Indicate the site specific inhibitors. Mention two examples for uncouplers.    
                                                                           (4+2+2+2=10)


Short essays           (2x5=10)

2.    Gluconeogenesis
3.    Diagnostic significance of serum enzymes

Short notes              (5x3=15)

4.    Digestion of carbohydrates
5.    Essential fatty acids
6.    Denaturation
7.    Principle of chromatography
8.    Name three glycogen storage diseases and its biochemical defect

Answer briefly         (5x2=10)

9.    Role of carnitine 
10. Define isoelectric pH. State properties of a protein at its isoelectric pH
11. Importance of HMP shunt pathway
12. Sources of ammonia
13. Allosteric enzymes

Give precise answers:      (5x1=5)

14. Name the biochemical defect in Nieman-pick disease
15. Zymogen activation
16. Mention the reaction catalyzed by ATP-citrate lyase
17. Mention two biologically active peptides
18. Mention one therapeutic use of enzyme