During bioconversion of sucrose to citric acid by Aspergillus niger, final samples of 6 batches of fermentation broth were analyzed for citric acid content. The results (in g/L) were found […]
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Calculation of ΔG° from Equilibrium Constant
The standard redox potential values for two half-reactions are given below. The value for Faraday’s constant is 96.48 kJ V-1 mol-1 and Gas constant R is 8.3 J K-1 mol-1. […]
ΔG° for Oxidation of NADH
The standard redox potential values for two half-reactions are given below. The value for Faraday’s constant is 96.48 kJ V-1 mol-1 and Gas constant R is 8.3 J K-1 mol-1. […]
Transmembrane α-Helix
The width of the lipid bilayer membrane is 30 Å. It is permeated by a protein which is a right-handed α-helix. Q.51 The number of amino acid residues present in […]
Transmembrane Alpha Helix Turns Calculation
The width of the lipid bilayer membrane is 30 Å. It is permeated by a protein which is a right-handed α-helix. Q.50 The number of α-helical turns permeating the membrane […]
Calculation of Substrate Concentration
A culture of Rhizobium is grown in a chemostat (100 m3 bioreactor). The feed contains 12 g/L sucrose. Ks for the organism is 0.2 g/L and μmax = 0.3 h-1. […]
Chemostat Flow Rate Calculation
A culture of Rhizobium is grown in a chemostat (100 m3 bioreactor). The feed contains 12 g/L sucrose. Ks for the organism is 0.2 g/L and μmax = 0.3 h-1. […]
Match Molecular Biology Techniques
Q.47 Match Group I with Group II Group I Group II P. Real Time-PCR 1. Biochips Q. 2-D Electrophoresis 2. Syber Green R. Affinity chromatography 3. Antibody linked sepharose beads […]
Inheritance Pattern of Wing Shape
Q.46 True breeding Drosophila flies with curved wings and dark bodies were mated with true breeding short wings and tan body Drosophila. The F1 progeny was observed to be with […]
Calculation of Thermal Death Time
Q.45 Thermal death of microorganisms in the liquid medium follows first-order kinetics. If the initial cell concentration in the fermentation medium is 103 cells/ml and the final acceptable contamination level […]


