0118E057.
First Year MBBS Examination
I MBBS Biochemistry Paper 2
Time: 3 hours
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Max Marks: 50Instructions:
1. Answer to the points.
2. Figure to the right indicates marks.
3. Use separate answer books for each
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section.4. Draw diagrams wherever necessary.
5. Write legibly.
Section 1
1. Write short notes on the following
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a) Gout (A.548) (C.394)(10)
b) Phenylketonuria and
Alkaptonuria(A.292)(C.351)
c) Hormonal regulation of plasma calcium
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2. Write Short notes of (any three) (9)
a) DNA structure(A.556) (C.73)
b) Post-transcriptional changes (A.572)
(C.547)
c) Genetic code(A.580)(C.551)
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d) t-RNA structure and functions(A.578)(C.81)
e) Applications
3. Discuss Any TWO
(6)
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a) Biochemical changes in starvation (A.122) (C.383)
b) Role of liver in integration metabolism
c) Role of dietary fiber in the body(A. 514)
(C. 508)
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Section 24. Write Short notes on (any two) (10)
a) Disposal of ammonia
b) Absorption, transport and storage of
Iron(A. 499) (C.414)
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c) Albumin5. Write Short notes on (any two)
(9)
a) Metabolic role and deficiency
manifestation of ascorbic acid(A. 481) (C.
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132)b) Purine salvage pathway (A. 546) (C.
391)
c) Biologically important nucleotide
d) Disorder of pyrimidine synthesis
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e) Write coenzymes form of followingvitamin and write one reaction in which
they participate a) Pyridoxine(A.471)
(C.143) b) Thiamine c) Niacin
6. Give your comments with
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justification of Any SIX:(6)
a) Significance of primary structure of
protein
b) Emphysema
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c) The structure analogs of folic acid arewidely used to control cancer
d) Fluoride prevents the development of
dental caries
e) Selenocysteine
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f) Restriction endonucleases (A. 601)(C.579)
g) S-Adenosyl methionine (SAM)
h) One cistron one subunit concept