0819E373
First Year MBBS Examination
I MBBS Biochemistry Paper 1
Time: 3 hours
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Max Marks: 501. Answer to the points.
2. Figure to the right indicates marks.
3. Use separate answer books for each
section.
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4. Draw diagrams wherever necessary.5. Write legibly.
**Section 1**
1. Give an account of any TWO of the
following
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(10)a) Glycosaminoglacans (A. 98) (C.22)
b) Principle sources of glucose after
overnight fast (A.160)(C.676)
c) Glycolysis (A. 128)(C.245)
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2. Write Short notes of (any three)
(9)
a) Essential fatty acids (A. 242)
(C.509)
b) Beta oxidation (A. 194) (C.287)
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c) Fatty acid synthesis (A. 201) (C.297)d) Phospholipids (A. 108) (C. 34)
3. Discuss Any TWO
(6)
a) Isoenzymes of diagnostic importance
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(A. 79) (C.112)b) Enzyme inhibition (A. 63) (C.92)
c) Chromatography and its applications
in medicine (A.434)(C.719)
**Section 2**
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4. Write Short notes on (any two)(10)
a) Essential aminoacids (A. 27)
(C.48,511)
b) Nitrogen balance (A. 515) (C.511)
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c) Hemoglobin (A. 339) (C.196)5. Write Short notes on (any two)
(9)
a) Eukaryotic ribosomes (A. 579)
(C.82)
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b) Biochemical role of mitochondria(A. 12) (C.6)
c) Glycogen storage disorders (A. 144)
(C.269)
d) Lipoproteins (A. 217) (C. 317)
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6. Give your comments with justificationof Any SIX:
(6)
a) Alkaline phosphatase
b) Biliary obstruction
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c) Ammonia intoxicationd) Blood glucose homeostasis
e) G6PD deficiency
f) Multiple roles of TCA cycle (A.304)
(C.257)
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g) Immunoglobins (C.186)h) Colorimetry