Date: 12-12-2015
g 2836
First Year MBBS Examination
I MBBS Biochemistry Paper 2
Time: 3 hours

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Max Marks: 50
Instructions: 1. Answer to the points. 2. Figure to the
right indicates marks. 3. Use separate answer books
for each section. 4. Draw diagrams wherever
necessary. 5. Write legibly.

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Section 1
1. Give an account of: (any two) (10)
a. Role of vitamin D in regulation blood
calcium levels and deficiency manifestations
of vitamin D

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b. Inborn errors of Phenylalanine metabolism
(A. 292) (. 351)
c. Detoxification of ammonia and disorders of
urea cycle (A. 258) (C. 335)
2. Write Short notes on (any three) (9)

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a. Structure of t-RNA and its role in protein
biosynthesis (A. 578) (C. 81)
b. Genetic code (A. 580) (C.551)
c. Southern blot technique and its applications
(A. 609) (C. 382)

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d. Mutations (A. 591) (C.535)
e. Conjugation reactions of detoxification (A.
525) (C. 640)
3. Write Short notes on (any two) (6)
a. Glycemic index

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b. Metabolism in starvation (A. 122) (C. 383)
c. Protein energy malnutrition
Section 2
1. Give an account on (any two) (10)
a. Formation of tetrahydrofolate and its role in

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DNA synthesis
b. The fate and functions of Methionine and
Cysteine amino acids
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