Q.P.
Code: 105001 Reg. no.: …………………
First Professional MBBS Degree Supplementary Examinations - February
2015
BIOCHEMISTRY- PAPER I
Time: 3
Hours Total Marks: 50
•
Answer
all questions
•
Draw
diagrams wherever necessary
Essay (10)
1. Explain the reactions of glycogenesis and
glycogenolysis in flow diagrams. Describe
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how these processes are
regulated.
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(4+4+2=10)
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Short
essays
2. Describe the role of lipoproteins in cholesterol transport.
3. Chemiosmotic
mechanism of ATP synthesis.
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(2x5=10)
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Short notes
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(5x3=15)
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4. What is active methionine. Mention two examples
of transmethylation reaction.
5. What is glucose alanine cycle and mention its
significance.
6. Fatty liver
7. Name different types of specificity shown by
enzymes with examples.
8.
Denaturation
of proteins.
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Answer
briefly
9. Define Km value and state its importance.
10. What is the role of bile salts in fat
digestion and absorption.
11. What is phenylketonuria and name the enzymatic
defect.
12. Dietary fibre
13. Bence Jones
protein
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(5x2=10)
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Give precise
answers
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(5x1=5)
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14. List two
examples of mucopolysaccharides.
15. Name four essential amino acids.
16. Name two therapeutic enzymes.
17. List any four high energy compounds.
18.Mention the biochemical defect in fructosuria
