Download RUHS MBBS 1st Year 2011 August Biochemistry Paper II Question Paper

Download Rajasthan University of Health Sciences (RUHS) MBBS (Bachelor of Medicine, Bachelor of Surgery) 1st Year (First Year) 2011 August Biochemistry Paper II Previous Question Paper

RUHS FIRST YEAR MBBS EXAMINATION
BIOCHEMISTRY- PAPER - II
August 2011 TIME: 3 HOURS TOTAL MARKS: 50
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.
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Section A
Q1. Sequential y describe the steps involved in the synthesis of DNA. How is the
genetic information stored in the parent DNA is copied in the daughter DNA(s) with
high fidelity? (A. 524)
Q2. Describe briefly (8)
a) The principle and application of polymerase chain reaction(A. 579) (4)
b) Role of p- 53 in cancer (A. 661) (4)
Q3. Differentiate between (8)
b) Arsenate poisoning and lead poisoning (A. 638)
Q4. Write short note on
(8)
a) Formation and utilization of taurine (A. 364)
b) Role of protein kinases in post translational modification of proteins (A. 557)
Section B
Q5. Name various components of immune system. Describe the events which take
place in a host's immune system when it receives an antigen til the antigen is
destroyed (A. 697, 699) (8)
Q6. a) Discuss glutathione metabolism and its role in destruction of hydrogen
peroxide in RBCs (A. 274)
b) Describe pellagra preventing factors(A. 144) (4+4=8)
Q7. Describe briefly(4+4=8)
a) Negative water balance (A. 470)
b) Reverse transcriptase and its significance (A. 546)
Q8. Differentiate between (4+4=8)

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a) Under nutrition and malnutrition (A. 514)
b) Niemann Pick disease and Tay sack disease (A. 306)

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