Name of the University : The Tamilnadu Dr. M.G.R. Medical University
Degree : First M.B.B.S
Subject Code/Name : 4055 Biochemistry-I
Paper : Paper V
Document Type : Question Bank
Website : web.tnmgrmu.ac.in
Download Model/Sample Question Paper :
2008-2014 :https://www.pdfquestion.in/uploads/we…9-524055LA.pdf
2001-2008 :https://www.pdfquestion.in/uploads/we…9-524055KU.pdf
1998-2000 :https://www.pdfquestion.in/uploads/we…9-524055KC.pdf
Biochemistry-I :
I. Essay Questions : (2 x 15 = 30)
1. Explain the steps of beta oxidation of Palmitic acid. Add a note on Energetics.
2. What is Gluconeogenesis- Describe the pathway involved in Gluconeogenesis. Add a note on regulation of Gluconeogenesis.
II. Write Short notes on : (10 x 5 = 50)
1. Functions of Vitamin C.
2. Digestion and absorption of lipids.
3. Hemoglobin S.
4. Isoenzymes.
5. Structure of cell membrane.
6. Define BMR. What are the factors that can affect BMR-
7. Define oxidative phosphorylation. Explain chemiosmotic theory.
8. Galactosemia.
9. Ketogenesis.
10. Glucose tolerance Test.
III. Short Answer Questions : (10 x 2 = 20)
1. Name the Essential fatty acids.
2. Significance of HMP shunt pathway.
3. Benedicts test.
4. Inhibitors of citric Acid cycle.
5. Chloride shift.
6. Functions of calcium.
7. Lipotropic factors.
8. Normal blood levels of 1. Cholestrol, 2. Bilirubin, 3. Sodium, 4.Pottasium.
9. Phospholipids.
10. Flurosis.
February 2009 :
I. Essay Questions : (2 x 15 = 30)
1. Sources & fate of acetyl CoA, Explain the denovo synthesis of cholesterol and its regulation.
2. Explain how pyruvate enters the Kreb’s citric acid cycle for oxidation. How many ATPs are produced in this pathway.
II. Write Short notes on : (10 x 5 = 50)
1. Write a note an chemiosmotic theory.
2. Active transport.
3. Uronic acid pathway.
4. Insulin.
5. Wald’s visual cycle.
6. Collagen.
7. Glycosaminoglycons (GAGS).
8. Chromatography.
9. Levels of organization of proteins.
10. Calcium Homeostasis.
III. Short Answer Questions : (10 x 2 = 20)
1. Key enzymes of glycolysis.
2. Fatty liver.
3. Lipid peroxidation.
4. Zymogens.
5. BMR.
6. Normal levels of : i) B.U.N ii) Fasting Serum Glucose iii) LDH iv) ALT
7. t : RNA
8. Vitamin K
9. Limiting amino acid.
10. Isoenzymes.