Thursday, January 7, 2016

Paper V – BIOCHEMISTRY – I,Dr. MGR University Question Paper,FIRST M.B.B.S.,2011 Question Paper

Dr. MGR University Question Paper
Revised (Non-Semester) Regulations
Q. P. Code : 524055
Time : Three hours Maximum: 100 Marks
Answer ALL questions.
Draw Suitable diagrams wherever necessary
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.
 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 & their clinical importance.
3. Sphingolipidoses.
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.
9. Balanced Diet.
 10. Fructose intolerance
III Short Answer Questions : (15 x 2 = 30)
1. Markers for lysosomes and mitochondria.
2. Fluorosis.
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?
8. Structure of lecithin.
9. Net Protein Utilization.
10. Chondroitin sulphate - Structure.
11. Double Reciprocal plot.
12. Alkaline phosphatase as a diagnostic tool.
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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