Date: 01-07-2019
RUHS
First Year MBBS Examination
I MBBS BIOCHEMISTRY PAPER II
Time: 3 hours Max Marks: 50

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INSTRUCTIONS: 1. Que. No.1 and 5 in section A
and B are compulsory. Attempt ANY TWO
questions from rest of the questions in each section.
2. Use separate answer sheet for each section.
Section 1

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1. Discuss the different types of RNAs and their role
in cell function. Give a note on posttranscriptional
modifications. (10)
2. Write short note on: (8)
a. Genetic Code (A. 547)

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b. Conjugation reaction in xenobiotics metabolism
3. Write in brief: (8)
a. Oncogenes (A.659)
b. Reverse transcriptase (A. 546)
4. Write short note on: (8)

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a. Protein buffer system
b. Gout

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5. Describe in detail the diagnostic significance of
various liver enzymes. (8)
6. Write about: (8)

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a. Mutation
b. ELISA
7. Brief answers: (8)
a. Phenylketonuria (A.352)
b. Lac operon

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8. Explain: (8)
a. Renal function tests (A.460)
b. Oratic aciduria
Section 2
1. Describe in detail the diagnostic significance of

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various liver enzymes. (8)
2. Write about: (8)
a. Mutation
b. ELISA
3. Brief answers: (8)

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a. Phenylketonuria (A.352)
b. Lac operon
4. Explain: (8)
a. Renal function tests (A.460)
b. Oratic aciduria

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