Download MBBS 1st Year 2006 August Biochemistry Paper II Question Paper

Sub. Code: 4056

FIRST M.B.B.S. DEGREE EXAMINATION.

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Revised (Non-Semester) Regulations

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Paper VI - BIOCHEMISTRY - II

Draw labelled diagrams wherever necessary.

1. Essay:

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   1. Describe the sources, requirement, absorption, transport, storage forms, functions, deficiency and toxic manifestations of iron.

      (1+1+3+2+2+4+5+2 = 20)

   2. Discuss urea cycle under the following headings:

      1. Site

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      2. Sources of amino group
      3. Steps and
      4. Regulation.

      (1+1+10+3 = 15)

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   3. Discuss about nucleic acids under following headings:

      1. Types
      2. Functions
      3. Components
      4. Chargaff's rule of DNA composition

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      5. Different forms of DNA double helix and
      6. Differences between DNA and RNA.

      (1+3+2+2+3+4=15)

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2. Write short notes on: (6 x 5 = 30)

   1. Post translational modifications with two examples.
   2. Alpha helical structure of a peptide.
   3. Buffer system in the body.
   4. Principles of electrophoresis and its clinical applications.

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   5. Applications of genetic engineering.
   6. G-proteins.

[KP 505]

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