Wednesday, 25 November 2015

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