B.Sc-B.Sc Medical Technology 3rd Sem Biochemistry(Baba Farid University of Health Sciences, Faridkot, Punjab-2013)

B.Sc. [ Medical (Part-III) ]

BF/2013/11

Biochemistry

M.M. : 100                                                                                        Time : 3 Hours

Note: Attempt all questions.

         

USE SEPARATE ANSWER SHEET FOR EACH PART.

PART – I

1.       Describe the chemiosmotic hypothesis of oxidative phosphorylation.  Enumerate the inhibitors of complex I and II.                                                          [15]

2.       Write Short Notes :-                                                                                   [5x4=20]

          a.       Entropy.

          b.       Cyclic AMP.

          c.       Thin layer chromatography.

          d.       Properties of colloids.

3.       Write Short Notes on :-                                                                    [5x3=15]

          a.       IgG and IgM.

          b.       Passive immunity.

          c.       AIDS.

PART –II

4.       What are porphyrins ?  Describe their synthesis.  Enumerate hepatic porphyrias and their causes.                                                                                                        [15]

5.       Write Short Notes on :

          a.       Translation in Prokaryotes.                                                              [8]

          b.       Degeneracy of codes.                                                                        [5]

          c.       Regulator and promoter gene.                                                           [7]

6.       Write notes on :                                                                                [5x3=15]

          a.       Sarcolemma.

          b.       Hay’s sulphur test.

          c.       Standard urea clearance test.

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Earning:   Approval pending.