LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

DE 25

M.Sc. DEGREE EXAMINATION – ZOOLOGY

SECOND SEMESTER – APRIL 2008

    ZO 2810 – BIOCHEMISTRY

 

 

 

Date : 24/04/2008            Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

                                                                                           

      PART A                           (Answer all)                                     10 x 2 = 20 Marks

1. Comment on sterioisomerism
2. Differentiate symport from antiport
3. What are cytochromes?
4. Differentiate I order reaction from II order reaction
5. What is ‘Gout’?
6. Comment on Amphoteric nature
7. Write a note on flocculation
8. What is mutarotation?
9. Comment on Racimization
10. Write a note on Ascorbic acid

 

PART B                           ( Answer any four)                         4 x 10 = 40 Marks

1. Describe the important functions of protein
2. Explain the process of catabolism of purines and pyrimidines.
3. Describe the oxidation of fatty acids
4. Bring out the process of biosynthesis of amino acids
5. What are fat-soluble vitamins? Explain
6. Bring out the reaction characteristics of protein molecule

 

PART C                           (Answer any two)                            2 x 20 = 40 Marks

1. Form an essay on biochemistry of coenzymes
2. Discuss the different biosynthetic pathways of nucleotides
3. Bring out the reaction characteristics of Carbohydrates

20. Form an essay on the biochemistry of water soluble vitamins.

 

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