What is the concentration of OH− in a solution with an H+ concentration of 1.3 × 10^−4 M?

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#Question id: 14254

#Part-B Specialized Branches in Biotechnology

Hybridoma cells immobilized on surfaces of Sephadex beads are used in a packed column for production of monoclonoal antibodies (Mab). Hybridoma concentration is approximately X = 5 g/l in the bed. The flow rate of the synthetic medium and glucose concentration are Q = 2 l/h and S0 = 40 g/l, respectively. The rate constant for Mab formation is k = 1 gX/l-d. Assume that there are no diffusion limitations and glucose is the rate limiting nutrient.  Determine the height of the packed bed for 95% glucose conversion. Bed diameter is D0 = 0.2 m. Neglect the growth of the hybridomas and assume first order kinetics. 

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#Question id: 4382

#Part-A Aptitude & General Biotechnology

All of the following events play a role in yeast-mating type switching except

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#Question id: 10625

#Part-B Specialized Branches in Biotechnology

Find out density of three different fish population by mark recapture method? Following is a density of capture and recapture fish? 

Which of the decrease order of their relative abundance? 

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#Question id: 14278

#Part-A Aptitude & General Biotechnology

Stirrer has a power number (Np) 10. If the stirrer speed (N) is 1s^-1, its diameter D=1m and the density of the medium is 1000 kg/m^3, the ungassed power input (P) in watts is 

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#Question id: 12812

#Part-A Aptitude & General Biotechnology

A circular wire of diameter 42 cm is folded in the shape of a rectangle whose sides are in the ratio 6 : 5 . Find the area enclosed by the rectangle.