M.Sc. DEGREE EXAMINATION, APRIL/MAY 2018.
Core Paper Biochemistry
Paper IV BIOENERGETICS AND INTERMEDIARY METABOLISM
2 20324-A
Time 3 Hours Max. Marks 70
PART — A
Answer any SIX of the following. 5 30 Marks)
All questions carry equal marks.
1. Standard free energy.
2. Laws of thermodynamics.
3. Metabolism of Fructose.
4. TCA cycle.
5. Ketone bodies.
6. Peroxisomal oxidation.
7. Methionine.
8. Valine.
PART — B
Answer ALL questions. 10 40 Marks)
All questions carry equal marks.
9. Describe the state and standard free energy change in coupled reactions.
Or
Describe the relevance of entropy and enthropy in biological systems and
reactions.
10. Describe the digestion and absorption of carbohydrates.
Or
Explain the regulation of blood glucose homeostasis.

11. Describe the oxidation of unsaturated and odd chain fatty acids.
Or
Write an account on biosynthesis of lipids.
12. Describe inborn errors of protein metabolism.
Or
Write an account on inherited disorders of purine and pyrimidine
metabolism.
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