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.  If Yp/s is 4 mg Mab/g glu, determine productivity of the system? __________________

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#Question id: 15403

#Section 1: Engineering Mathematics

 Inverse Laplace transform for 2s+3/ s²+3s  is 

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#Question id: 15599

#Section 1: Engineering Mathematics

Find the positive real root of x³ - x - 3 = 0 using Newton-Raphson method. If the starting guess (x0) is 2, the numerical value of the root after two iterations (x2) is   (round off to two decimal places). 

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#Question id: 3920

#Section 3: Genetics, Cellular and Molecular Biology

The genes that encode proteins are transcribed by RNA polymerase __.

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#Question id: 18784

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following is the sine qua non (without which, nothing) of the modern immunologist’s toolbox.

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#Question id: 3307

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following conditions is not necessarily be fulfilled to trigger natural selection