LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – ZOOLOGY
SECOND SEMESTER – APRIL 2012
ZO 2816 – BIOCHEMISTRY
Date : 21-04-2012 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
Part A
Answer All the questions: (10×2=20 Marks)
- What are cytochromes?
- Write a note on the amphoteric nature of proteins.
- Comment on the following: (i) Isomerization (ii) Tautomerization.
- What is called line Weaker Burk equation?
- What is V-Max?
- Differentiate LDL from HDL.
- What is chemi-osmotic hypothesis?
- Comment on auto oxidation.
- Write a note on Zimmermann reaction.
- What are anti oxidants?
Part B
Answer any Four questions: (4×10=40 Marks)
- Bring out the biochemistry of co-enzymes.
- Explain the reaction characteristics of proteins.
- Describe the process of catabolism of amino acids.
- Bring out the biosynthetic pathways of cholesterol and bile.
- Explain the process and importance of electron transport chain.
- Describe the different biosynthetic pathways of nucleotides.
Part C
Answer any TWO questions: (2×20=40 Marks)
- Form an essay on the structure and reaction characteristics of carbohydrates.
- Discuss enzyme kinetics? Add a note on its importance.
- Form an essay on the biosynthesis of amino acids.
- Discuss the biochemistry of transport across membrane.