A fed-batch reactor containing 2 litre of medium and 0.1 g.l^-l of biomass is fed with a medium containing 1 g.l^-1 of substrate at 1 litre per hour. If after 10 hours, the concentration of biomass in the reactor was 0.2 g.l^-1, then the biomass produced during the 10 hour period is

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#Question id: 10784

#Section 6: Plant, Animal and Microbial Biotechnology

The precursor of phenolic compound is___

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#Question id: 1915

#Section 2: General Biology

Of the following, which is the cadaveric organ with the best survival 5-years post-transplant?

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#Question id: 1684

#Section 2: General Biology

What are the molecules mediating signal transduction following antigen binding to cell surface immunoglobulin on a B-cell called?

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#Question id: 3922

#Section 3: Genetics, Cellular and Molecular Biology

The σ70 subunit in E. coli RNA polymerase acts as a/an __.

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#Question id: 27052

#Section 4: Fundamentals of Biological Engineering

A membrane is used for separation of gases from waste. If the feed stream contains 20% CO2 and 80% SO2 and the product contains 25% CO2 and 75% SO2. Assume that the waste stream amounts to 80% of the input stream. What is the composition of CO2 in waste stream?