Nicotiana tabacum cells are cultured to high density for production of polysaccharide gum. The reactor used is a stirred tank, containing initially 100 litres medium. The maximum specific growth rate of the culture is 0.18 d^-1 and the yield of biomass from substrate is 0.5 g g^-l. The concentration of growth-limiting substrate in the medium is 3% (w/v). The reactor is inoculated with 1.5 g l^{- 1} cells and operated in batch until the substrate is virtually exhausted; medium flow is then started at a rate of 4 l d^-1. Fed-batch operation occurs under quasi-steady-state conditions. Estimate final biomass concentration?

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#Question id: 17917

#Section 4: Fundamentals of Biological Engineering

If liquid density and viscosity remains constant, then the Reynolds number in a stirred tank reactor will vary with the

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#Question id: 14582

#Section 2: General Biology

Peptone

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#Question id: 19137

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

Which of the following statement is correct about PAM.

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#Question id: 14517

#Section 1: Engineering Mathematics

The probability that a certain beginner at golf gets a good shot if he uses the correct club is 1/3 and the probability of a good shot with an incorrect club is 1/4. In his bag are 5 different clubs, only one of which is correct for the shot in question. If he chooses a club at random and takes a stroke, the probability that he gets a good shot is

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#Question id: 3258

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following incorrect about genetic drift