bacterial population, growing in batch culture, increases from 1000 cells to 10,00,000 cells in 5 hours. What is the generation time of the bacteria?

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#Question id: 14677

#Section 4: Fundamentals of Biological Engineering

The volumetric flow rate of carbon tetrachloride (CCI4) in a pipe is 50 cm³ min^-1. The density of CCI4 is 1.6 g cm^-3.

(i) What is the mass flow rate of CCI₄?

(ii) What is the molar flow rate of CCI₄ ?

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#Question id: 4348

#Section 3: Genetics, Cellular and Molecular Biology

Under what conditions does the trp repressor block transcription of the trp operon?

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#Question id: 3013

#Section 2: General Biology

Bacteria survive adverse conditions by forming

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#Question id: 14264

#Section 5: Bioprocess Engineering and Process Biotechnology

The BOD5 value of a waste-water feed stream to an activated-sludge unit is S0 = 300 mg/l, and the effluent is desired to be S = 30 mg/l. The feed flow rate is F = 2× 10^7 l/day. For the recycle ratio of α = 0.5 and a steady-state biomass concentration of X = 5 g/l, Use the following kinetic parameters:

 

calculate Hydraulic residence time

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#Question id: 5245

#Section 3: Genetics, Cellular and Molecular Biology

Which method of gene transfer involves direct contact between the bacteria?