Yeast cells are to be separated from a fermentation broth. Assume that the cells are spherical with diameter 5 µm and density 1.06 g cm^-3. The viscosity of the culture broth is 1.36 x 10^-3 N s m^-2. At the temperature of separation, the density of the suspending fluid is 0.997 g cm^-3. 500 litres broth must be treated every hour. Specify Σ for a suitably-sized disc-stack centrifuge

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#Question id: 403

#Section 4: Fundamentals of Biological Engineering

For the reaction A -> B, DG'° = –60 kJ/mol.  The reaction is started with 10 mmol of A; no B is initially present.  After 24 hours, analysis reveals the presence of 2 mmol of B, 8 mmol of A. Which is the most likely explanation?

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#Question id: 10518

#Section 6: Plant, Animal and Microbial Biotechnology

HC-toxin from the fungus Cochliobolus carbonum, which causes northern leaf blight disease, and inhibits

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#Question id: 1865

#Section 2: General Biology

What deficiency is indicated by poor skin test results to a range of microbial antigens such as tuberculin and mumps?

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#Question id: 15515

#Section 1: Engineering Mathematics

Suppose auxiliary equation have complex roots m = p ± iq, then yc =......

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#Question id: 15888

#Section 6: Plant, Animal and Microbial Biotechnology

Most commonly used gelling agent in media for plant tissue culture and is obtained from red algae,