0819E379
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. Give an account of any TWO of the
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followinga) Recombinant DNA technolog (
y 10)
(A.600) (C. 579)
b) Functions of vitamin C (A. 481)
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(C.132)c) Balanced diet (B. 761) (C.514)
2. Write Short notes of (any three)
a) Structure of DNA (A. 556) (C.73) (9)
b) Transcription (A. 570) (C.543)
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c) Genetic code (A. 580) (C.551)d) Inhibitors of protein synthesis (A.
584) (C.558)
e) DNA finger printing (A. 611) (C.602)
3. Discuss Any TWO
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a)
Compare
Kwashiorkor
an (
d 6)
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Marasmus (A. 516) (C. 516)b) Liver in well fed state and starvation
(A. 121) (C.383)
c) Significance of TCA cycle (A. 304)
(C.257)
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Section 24. Write Short notes on (any two)
a) Sources, R.D.A., absorptions (,10)
functions and deficiency of iron
(A.499) (C.414)
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b) Disorders of phenylalenine andtyrosine metabolism (A.292)(C.351)
c) Structure of proteins (A. 36) (C. 52)
5. Write Short notes on (any two)
a) Wald's visual cycle (A. 454 (
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) 9)(C.129)
b) Deficiency of vitamin D (A. 459)
(C.127)
c) Biologically important nucleotides
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d) Salvage pathway (A. 546) (C. 391)e) Purine catabolism (A. 547) (C.392)
6.
Give
your
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commentswith
justification of Any SIX:
a) Draw and label tRNA (C. 81)
(6)
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b) Wilson's disease (C. 417)c) Goiter
d) Lesch-nyhan syndrome (A. 549)
(C.396)
e) Essential amino acids (A. 27) (C.48)
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f) Pellagra (A. 470) (C.141)g) Intrinsic factor
h) Dietary fibre (A. 514)