M.B.B.S. EXAMINATION BIOCHEMISTRY PAPER-I

M.B.B.S.  DEGREE EXAMINATION – JULY/AUGUST, 2014

 

PAPER-I

Time : 2 ½ Hours                                                                      Max. Marks: 50

Answer all questions

 

  1.  

What are the different types of lipoproteins?  Discuss their role in cholesterol transport.

5+5=10

  1.  

Describe the tricarboxylic acid cycle and explain its significance.  Add a note on the energetics.

3+3+4=10

 

WRITE SHORT NOTES ON:

5x4=20

  1.  

Porphyrias

 

  1.  

Competitive inhibition with examples.

 

  1.  

Calorific value.

 

  1.  

Detoxification by conjugation.

 

  1.  

Functions of Vitamin C.

 

 

WRITE BRIEFLY ON:

5x2=10

  1.  

Essential fatty acids.

 

  1.  

Sickle cell anemia.

 

  1.  

Dietary fibre and its role.

 

  1.  

Allosteric enzymes.

 

  1.  

Define Epimers.  Name two Epimers.

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