Friday, January 8, 2016

2012 Question Paper,FIRST M.B.B.S.,Dr. MGR University Question Paper,Paper VI – BIOCHEMISTRY – II,

Dr. MGR University Question Paper
FIRST M.B.B.S. DEGREE EXAMINATION
Paper VI – BIOCHEMISTRY – II
Q. P. Code : 524056
Time : 180 Minutes Maximum: 100 Marks
Answer ALL questions.
Draw Suitable diagrams wherever necessary
I. Elaborate on: Pages Time Marks
 (Max.) (Max.) (Max.)
 1. With the help of a figure, describe the process by which
 DNA replication takes place in a cell. 16 25 15
 2. What are the functions of sodium in the body?
 What is the reference range for levels of serum sodium?
 Describe the working of the renin-angiotensin-aldosterone system
 to maintain optimal amounts of sodium in the body.
 Briefly discuss disorders associated with derangements in
 sodium homeostasis. 16 25 15
II. Write notes on:
1. Secondary structure of proteins. 3 8 5
2. Structure of an immunoglobulin, with the help of a figure. 3 8 5
3. Causes and manifestations of gout. 3 8 5
4. Transamination reactions. 3 8 5
5. Role of lungs in maintenance of pH of blood. 3 8 5
6. Conjugation reactions involved in metabolism of xenobiotics. 3 8 5
7. Principle and applications of electrophoresis. 3 8 5
8. Functions of tyrosine in the body. 3 8 5
9. Tumour markers. 3 8 5
 10. Salvage pathway for purines and its importance in the body. 3 8 5
III. Short Answers on:
 1. Outline the distribution of water in the various compartments
 of the body. 1 5 2
 2. What is the mechanism of action of steroid hormones? 1 5 2
 3. List four features of the genetic code. 1 5 2
 4. Explain the clinical relevance of serum creatinine levels. 1 5 2
 5. What is meant by the polymerase chain reaction?
 List Two of its applications. 1 5 2
 6. What are the reference levels of glucose and protein in
 cerebrospinal fluid?
 How are they affected in bacterial meningitis? 1 5 2
 7. What is meant by quartenary structure of a protein?
 Name a protein, abundantly found in blood that has a quartenary
 structure. 1 5 2
 8. Name the bases found in nucleic acids. 1 5 2
 9. List four causes of respiratory acidosis. 1 5 2
 10. What are the functions of glutathione? 1 5 2
*******

Share This
Previous Post
Next Post

Pellentesque vitae lectus in mauris sollicitudin ornare sit amet eget ligula. Donec pharetra, arcu eu consectetur semper, est nulla sodales risus, vel efficitur orci justo quis tellus. Phasellus sit amet est pharetra

0 comments:

Pen down your valuable important comments below