LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – ZOOLOGY
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SECOND SEMESTER – APRIL 2008
ZO 2809 – BIOPHYSICS
Date : 22/04/2008 Dept. No. Max. : 100 Marks
Time : 1:00 – 4:00
PART-A (answer all the questions) 10X2=20marks
- Define Isoelectric point.
- Comment on isotopes and isobars.
- What is refractive index?
- What is Haemolysis?
- What do you mean by Rf value.
- What are alpha rays?
- Define mass number.
- Define enzymes. Give example
- Distinguish TEM from SEM.
- List any two biological effects of radiation.
PART-B (answer any four) 4X10=40marks
- Write notes on phase contrast Microscope.
- Explain briefly NMR.
- Write a short note on X-rays.
- Explain circular paper chromatography.
- Define and explain Donnan’s equilibrium.
- Explain photoelectric effect.
PART-C (answer any two) 2X20=40marks
- Explain in detail the laws of thermodynamics.
- Write an essay on PAGE and elaborate their properties.
- Define and explain in detail Gibb’s free energy.
- Give an account on immunoelectrophoresis.
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