Thursday, January 7, 2016

Paper V – BIOCHEMISTRY – I,Dr. MGR University Question Paper,2009 Question Paper,FIRST M.B.B.S.

Dr. MGR University Question Paper
FIRST M.B.B.S. DEGREE EXAMINATION
Revised (Non-Semester) Regulations
Paper V – BIOCHEMISTRY – I
Q. P. Code : 524055
Time : Three hours Maximum: 100 Marks
Answer ALL questions.
Draw Suitable diagrams wherever necessary
I. Essay Questions : (2 x 15 = 30)
 1. What are porphyrias? Classify different types of porphyrias and give the enzyme
 defect and biochemical findings.
 2. What is oxidative phosphorylation. Discuss the steps of the same and
 mention its significance.
II. Write Short notes on : (10 x 5 = 50)
1. Classify RNA and explain the functions.
2. Hyper uricemia.
3. Renal glycosuria.
4. Cardiac troponin.
5. Structure of cholesterol and its importance in the body.
6. Beri Beri.
7. Enzyme poisons.
8. Flurosis.
9. What is protein energy malnutrition (PEM)? What are the types of PEM?
 Write the importance features.
 10. Functions of vitamin C.
III. Short Answer Questions : (10 x 2 = 20)
1. Effect of temperature on enzyme activity.
2. Define epimer. Name two epimers.
3. Phosphotidyl inositol importance.
4. Biochemical functions of selenium.
5. Benedicts test.
6. Ribose and deoxy ribose.
7. Lysosomes.
8. Bence Jones proteins.
9. Bile salts.
 10. Cori cycle.
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