Download MBBS 1st Year 2008 August 524055 Biochemistry I Question Paper

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[KT 504]

AUGUST 2008

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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 15 = 30)

1. Explain the steps of beta oxidation of Palmitic acid. Add a note on Energetics.

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2. What is Gluconeogenesis? Describe the pathway involved in Gluconeogenesis. Add a note on regulation of Gluconeogenesis.

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

1. Functions of Vitamin C.
2. Digestion and absorption of lipids.
3. Hemoglobin S.

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4. Isoenzymes.
5. Structure of cell membrane.
6. Define BMR. What are the factors that can affect BMR?
7. Define oxidative phosphorylation. Explain chemiosmotic theory.
8. Galactosemia.

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9. Ketogenesis.
10. Glucose tolerance Test.

III. Short Answer Questions : (10 x 2 = 20)

1. Name the Essential fatty acids.
2. Significance of HMP shunt pathway.

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3. Benedicts test.
4. Inhibitors of citric Acid cycle.
5. Chloride shift.
6. Functions of calcium.
7. Lipotropic factors.

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8. Normal blood levels of (a) Cholesterol (b) Bilirubin (c) Sodium (d) Potassium.
9. Phospholipids.
10. Fluorosis.

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