Roll No.
Total No. of Questions: 19
Total No. of Pages : 02
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M.Sc (Chemistry) (Campus) (2015 to 2017) (Sem.-3)
BIOPHYSICAL CHEMISTRY
Subject Code : CHL-502
M.Code: 74889
Time: 3 Hrs.
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Max. Marks : 70
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains SIX questions carrying FIVE marks each and students have to attempt ALL questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
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SECTION-A
Write short notes on the following :
- Conformation of proteins.
- Water as reactant.
- Redox reactions in biological systems.
- Standard free energy.
- Entropy and Enthalpy.
- Circular dichroism (CD) spectroscopy.
- Equilibrium determination of molecular weights.
- Membrane equilibria.
- Biopolymers.
- UV - Visible spectroscopy.
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SECTION-B
- Describe the structure of DNA.
- Explain the conformation of biopolymers.
- What is the relationship between equilibrium constant and standard free energy.
- Write a note on Nuclear Magnetic Resonance (NMR).
- What are conformational transitions of polypeptides and proteins?
- Write a note on nucleic acid structural transitions.
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SECTION-C
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- Discuss the role of water in maintaining the native structure of biopolymers.
- Explain diffraction methods in studying crystal structure of biomolecules.
- Describe helix - coil transition and reversible protein folding.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU M.Sc Chemistry Last 10 Years 2010-2020 Previous Question Papers|| Punjab Technical University
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