B.Tech 5ET204C-6C0028 (2005/06/07/08/09) Bio Organic Chemistry Sathyabama University Dec 2010

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SATHYABAMA UNIVERSITY

(Established under section 3 of UGC Act, 1956)

Course & Branch: B.Tech-BIN/BME/BTE

Title of the Paper: Bio Organic Chemistry            Max. Marks: 80

Sub. Code: 5ET204C-6C0028 (2005/06/07/08/09) Time: 3 Hours

Date: 06/12/2010                                                    Session: AN

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PART - A                (10 X 2 = 20)

Answer ALL the Questions

1.     Give a note on Mutarotation.

 

2.     What is Epimerization?

3.     Define isoelectric point.

4.     Explain Peptide linkage.

5.     Write the classification of lipids.

6.     Define Iodine value.

7.     What is homogenous catalyst? Give an Example.

8.     What are promoters?

9.     State First Law of thermodynamics.

10.   Define Enthalpy and Entropy.

       PART – B                        (5 x 12 = 60)

Answer All the Questions

11.   How is the structure of glucose established?

(or)

12.   What happens when sucrose is in

                (a)    Fermentation                                                          (3)

                (b)   Hydrolysis                                                               (3)

                (c)    Effect of heat                                                          (3)

                (d)   Hydrogenation                                                                (3)

13.   Write note on Primary and Secondary structure of proteins.

(or)

14.   Explain the following methods of preparation of amino acids.

                (a)    Gabriel Synthesis                                                    (4)

                (b)   Strecker Synthesis                                                  (4)

                (c)    Erlenmeyer Azlactone Synthesis                           (4)

15.   Give an account of compound lipids.

(or)

16.   Explain the following terms

                (a)    Acids Number                                                         (4)

                (b)   Reichert-Meissl Number                                                (4)

                (c)    Saponification Number                                          (4)

17.   Derive the Michaelis-Menton equation for enzyme catalysis.

(or)

18.   Explain the theory and mechanism of acid-base catalysis.

19.   Derive the relationship between equilibrium constant and standard free energy change for chemical reaction.

(or)

20.   Discuss briefly bioenergetics of exergonic and endergonic reaction with respect to glucose.