Download MBBS 1st Year 1991 November Biochemistry Paper I Question Paper

FIRST M.B.B.S. DEGREE EXAMINATION

First Semester

Part I

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BIOCHEMISTRY

Time: Two and a half hours Maximum: 90 marks

Answer ALL the questions

Sections A and B should be answered in separate answer papers

Draw diagrams wherever necessary

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SECTION A - (2X15=30 marks)

1. Describe the metabolism of phenylalanine and tyrosine in the body. Add a note on the in born errors of metabolism associated with them.
2. Describe sources, requirement, chemistry, biochemical functions and deficiency mainfestations of Vitamin A. Add a note on its hyper vitaminosis.

SECTION B - (6X5=30)

3. Write short note on:
   1. Structure of proteins

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   2. Abnormal hemoglobins
   3. Radio active isotopes
   4. Absorption of Iron
   5. Gluconeogenesis
   6. Beta oxidation of fatty acids

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