BIOPHYSICS : important questions
BIOPHYSICS
2014
A.
How Gibb’s-Donnan membrane equilibrium regulate the osmotic
pressure? Define viscosity. Discuss the factors that contribute to blood
viscosity.
B.
Discuss briefly about the glass electrode method of
pH-determination.
C.
What is Helmholtz-Guoy double layer? Define zeta potential
and explain its significance. Distinguish b/n isotonic and isosmotic solutions.
D.
What is importance of “alkali reserve” of plasma? Define
entropy.
2013
E.
Define surface tension. What is significance of
Gibbs-Thomson principle in lungs compliance?
F.
Explain, why the living body is consider as a thermodynamic
system.
G.
Distinguish b/n dialysis and ultrafiltration. Explain the
working principle of acid base indicators.
H.
What is the significance of Henderson-Hasselbalch equation? Describe
a suitable method for the determination of osmotic pressure in biological
fluids.
2012
I.
Mention the biological significance of diffusion.
Distinguish b/n lyophilic and lyophobic colloids?
J.
What do you mean by Gibbs free energy? Define viscosity?
K.
What is ultrafiltration? State its physiological importance.
L.
Show how Gibbs-Donnan membrane equilibrium can influence pH,
osmotic pressure and transmembrane potential b/n two sides of semi permeable
membrane.
2011
M.
What are Vant Hoff’s laws of osmotic pressure? What do you
mean by coagulative properties of a solution?
N.
Discuss the factors that contribute to the blood viscosity?
O.
Discuss about the optical and electrical properties of
colloids. Explain the following terms with reference to living system: i) Enthalpy,
ii) Entropy.
P.
“The hydrolysis of ɣ- phosphate bond of ATP has a ΔG01 of
7 kcal/mol”-Explain.
2010
Q.
Discuss the biological significance of colloids. Derive
Henderson-Hasselbalch equation for buffer system and explain its significance.
R.
What is sol-gel transformation? Define Isoelectric pH. State
its importance.
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