Download MBBS MPMSU 1st Year 2015 Main Biochemistry Paper I Question Paper

15M00A05

Madhya Pradesh Medical Science University

First MBBS (Main) Examination 2015

Biochemistry Paper 1

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Time: 3 Hours Maximum Marks: 50

Note (a) Attempt all questions in the same serial order.

(b) Draw well labelled diagrams wherever necessary.

1. Q.1 Enumerate sources of Vitamin D, describe its biosynthesis and explain why 5
   Vitamin D is called hormone.

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2. Q.2 Explain the pathway of Glycogen synthesis and glycogenolysis. In short explain 5
   role of branching and de-branching enzymes.

3. Q.3 Write short notes on:

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   1. Endoplasmic reticulum 3
   2. Fluid mosaic model of biological membrane 3
   3. Electrophoresis 3
   4. Selenocysteine 3
   5. Na-K ATPase 3

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   6. Cytochrome p450 3
   7. Inhibitors of Electron transport chain 3
   8. Biosynthesis of thyroxin 3
   9. Isoenzymes 3
   10. Tyrosinemia 3

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4. Q.4 Write in brief:

   1. Enumerate mechanisms of enzyme action 1
   2. Enumerate functions of glutathione 1
   3. Enumerate antioxidant vitamins 1

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   4. Enumerate lipoproteins in human plasma 1
   5. Enumerate mechanisms of enzyme inhibition 1
   6. Enumerate functions of zinc 1
   7. Differentiate between starch and glycogen 1
   8. Why urea cycle is called a Bicycle 1

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   9. Alkaptonuria 1
   10. Draw structure of cholesterol 1

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