LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – ZOOLOGY
SECOND SEMESTER – NOVEMBER 2012
ZO 2816 – BIOCHEMISTRY
Date : 03/11/2012 Dept. No. Max. : 100 Marks
Time : 1:00 – 4:00
Part A
Answer All the questions: (10×2=20 Marks)
- What are free radicals?
- Differentiate I order reaction from II order reaction.
- Write a note on the following: (i) Rancidity (ii) Emulsification.
- What are ‘Zwitter ions’?
- Comment on ‘stereo isomerism’.
- Write a note on Symport and Uniport
- What are ‘Ozazone’s?
- What are nuclear proteins?
- Write a note on oxidative phosphorylation.
- Comment on the optical activity of carbohydrates.
Part B
Answer any Four questions: (4×10=40 Marks)
- Bring out the biochemistry and importance of fat soluble vitamins.
- Describe the process of catabolism of nucleotides.
- Explain B-oxidation.
- Bring out the Michaelis-Menton equation and its importance.
- Describe the general characteristics of proteins.
- Describe the biochemistry of electron transport system.
Part C
Answer any TWO questions: (2×20=40 Marks)
- Form an essay on the biochemistry of enzymes.
- Explain biosynthesis of nucleotides.
- Bring out the structure and functions of proteins.
- Form an essay on biosynthesis of carbohydrates.
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