Q.P.Code:105001 Reg.no:…………….
First professional
MBBS Degree Supplementary Examinations, February 2014
BIOCHEMISTRY-PAPER I
Time: 3Hours
Total Marks:50
- Answer all questions
- Draw diagrams wherever necessary
Essay (10)
1. Explain in detail glycogenesis and glycogenolysis. Mention
the enzyme defects in any two of glycogen storage disorders (4+4+2=10)
Short essays (2×5=10)
2. Name the ketone bodies. Describe the process of
ketogenesis. List the conditions that lead to ketoacidosis
3. Mention the normal blood urea level. Explain how urea is
synthesized in the body
Short notes (5×3=15)
4. What is meant by suicide enzyme inhibition? Explain with
one example
5. Discuss about phenyl ketonurias
6. What are glycosamino glycans. List two examples with its functions?
7. Discuss the primary structure of human insulin
8. Discuss the significance of gluconeogenesis
Answer briefly (5×2=10)
9. Functions of phospholipids
10. Name the polyamines and mention its functions
11. Significance of km values
12. Name the lung surfactant and mention its components
13. List the functions of Rapaport Lubering cycle
Give precise answers (5×1=5)
14. Why starch can be utilized by humans but not cellulose
15. What are cathepsins
16. List two clinical examples of competitive inhibition
17. Why alcohol ingestion causes fatty liver
18. List the compounds formed from arginine
