Which subunit of the E. coli core RNA polymerase (a2bbʹw) contributes to DNA binding?

A) a                 B) b                 C) bʹ                D) w

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#Question id: 27341

#Section 5: Bioprocess Engineering and Process Biotechnology

In a chemostat, under steady state condition, if the feed media is sterile and endogenous metabolism is negligible compared to growth rate, then the specific growth rate (μ) will be

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#Question id: 27342

#Section 5: Bioprocess Engineering and Process Biotechnology

A culture of Rhizobium sp. is grown in a chemostat (200 m³ bioreactor). The feed contains 12 g/L sucrose, Ks for the organism is 0.2 g/L and Hmax = 0.3 h¹. The flow rate required to obtain steady state concentration of sucrose as 2 g/L in the bioreactor

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#Question id: 27343

#Section 5: Bioprocess Engineering and Process Biotechnology

Cell wash out condition in the bioreactor occurs when

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#Question id: 27344

#Section 5: Bioprocess Engineering and Process Biotechnology

In a chemostat, evaluate the dilution rate at the cell wash-out condition by applying Monod's model with the given set of data: μmax = 1 h-1; YX/S = 0.5 g g-1; Ks = 0.2 g/L; S0 = 10 g/L

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#Question id: 27345

#Section 5: Bioprocess Engineering and Process Biotechnology

For running a Continuous Stirred Tank Reactor, critical dilution rate is:

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#Question id: 27346

#Section 5: Bioprocess Engineering and Process Biotechnology

Continuous cultivation is carried out in 10 L working volume. If 0.2 h-1 dilution rate has to be maintained, then the feed rate will be