Tamil Nadu Dr MGR Medical University 2006 M.B.B.S Biochemistry II - - Question Paper
M.B.B.S Degree exam
First Year
Biochemistry II
February 2006
February-2006
[KO 505] Sub. Code: 4059 (d>
FIRST M.B.B.S. DEGREE EXAMINATION. (0
RtviHd (Non-Semester) Regulations W
Ch)
(i)
Paper VI BIOCHEMISTRY II
Time: Three hours Maximum: 100 mark*
Theory: Two hour* and Theory: SO marks 0)
forty minutes
M.C.Q.: Twenty minutes M.C.Q. 120 marks
Draw labelled diagrams wherever necessary.
Answer ALL questions.
L Essay: (2 x 15 = 30)
1. Describe tho metabolism of Tryptophan and add a note on inborn errors associated with it.
2. Describe tho Dcnovo synthesis of purine nucleotides.
II. Short notes on: (10 x 5 = 50)
(b) Thin layer chromatography.
(e) Functions of plasma proteins.
Zinc.
Metabolic ad dot is Gamma amino butyric acid Methyl melooic aciduria Structure of t RNA LAC operon Insulin,
2 [KO 505]
[KQ 505] Sub* Code: 4050
February-2007
FIRST M B B.S, DEGREE EXAMINATION,
Iteviaed (Non Semester} Regulations
Paper VI BIOCHEMISTRY- II Time ; Three hours Maximum : 100 marks
Hieory : Two hours and Theory : 80 marks
forty minutes
M.C.Q.: Twenty minutes M.C.Q.: 20 marks
Answer ALL questions.
Draw labelled diagrams wherever necessary
I. Essay:
1. What is the active form of methionine how it is formed? What are its functions? Enumerate the steps of methionine metabolism and write the disorders associated with its metabolism. (20)
2. What is the normal pH of blood Discuss the mechanism involved in its regulation. (15)
3. Mention the sources, daily requirement, functions and deficiency symptoms of calcium. Explain how aerum level of calcium is regulated, (16)
Short notes on:
(a) Oncogens
(b) Electrophoresis
(c) Genetic code
(d) Insulin
(e) Gout
(f) Detoxification-
2 [KQ 505]
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| Earning: Approval pending. |
