Download MBBS 1st Year 2011 August 524055 Biochemistry I Question Paper

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[KZ 504]

AUGUST 2011

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Sub. Code: 4055

FIRST M.B.B.S. DEGREE EXAMINATION

Revised (Non-Semester) Regulations

PAPER V - BIOCHEMISTRY - I

Q. P. Code: 524055

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Time: Three hours

Maximum: 100 Marks

Answer ALL questions

I. Essay Questions : (2 x 10 = 20)

1. Describe in detail TCA cycle and the energetics of the same. Justify why TCA cycle is called an amphibolic cycle.

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2. Describe in detail the components and chemiosmotic theory of electron transport chain.

II. Write Short notes on : (10 x 5 = 50)

1. Role of Niacin as Coenzyme.
2. Classification of hyperlipidemias and their clinical importance.
3. Sphingolipidoses.

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4. Biochemical role of Vitamin C.
5. Cori's cycle and Glucose Alanine cycle.
6. High Density Lipoprotein cycle.
7. Glycogenolysis.
8. Isomerism in carbohydrates.

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9. Balanced Diet.
10. Fructose intolerance.

III Short Answer Questions : (15 x 2 = 30)

1. Markers for lysosomes and mitochondria.
2. Fluorosis.

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3. Role of Apo CII.
4. Define metalloenzymes with 2 examples.
5. Pulmonary surfactant - Structure and clinical importance.
6. Iodine number and its importance.
7. What is the function of Lipoprotein lipase?

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8. Structure of lecithin.
9. Net Protein Utilization.
10. Chondroitin sulphate - Structure.
11. Double Reciprocal plot.
12. Alkaline phosphatase as a diagnostic tool.

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13. What are the different forms of calcium in blood?
14. RDA and functions of Iodine.
15. Why Arachidonic acid is not considered 'purely' an essential fatty acid?

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