Dr MGR Educational and Research Institute 2011 M.B.B.S FIRST Revised (Non-Semester) Regulations V - BIOCHEMISTRY - I QPCode : 524055 - Question Paper

February 2011
FIRST M.B.B.S. DEGREE exam.
Revised (Non-Semester) Regulations
Paper V - BIOCHEMISTRY - I
Q. P. Code : 524055
Time : 3 hours Maximum: 100 Marks
I. Essay ques. : (2 x 15 = 30)

1. define the chemistry, sources, daily requirement, biochemical functions and deficiency manifestations of Vitamin - B12.

2. define how cholesterol is synthesized in our body. elaborate the products
formed from Cholesterol?

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

1. Active form of Vitamin D and its biochemical role.

2. Catabolism of Hemoglobin.

3. Protein energy malnutrition.

4. Ketogenesis.

5. Fatty acid synthase complex.

6. Glycogen Metabolism.

7. Enzyme inhibition.

8. Glycosylated hemoglobin.

9. Oxidation phosphorylation.

10. Regulation of blood glucose.

III. Short ans ques. : (10 x two = 20)

1. Zymogen.

2. Name 2 zinc containing enzymes.

3. Ferritin.

4. describe Km.

5. Functions of selenium.

6. elaborate cytochromes?

7. Brown adipose tissue.

8. Lactose intolerance.

9. describe respiratory quotient.

10. Functions of Vitamin K.

Earning:   Approval pending.