The specific productivity (qp) of an enzyme production Is fitted linearly with specific growth rate p of a fungal organism according to the equation The estimated values of constants alpha and beta are 0.0006 and 25 respectively. The enzyme production kinetics is 

TLS Online TPP Program

#Question id: 27321

#Section 5: Bioprocess Engineering and Process Biotechnology

An organism exhibits Monod growth with the following growth parameters, µm= 0.6 h-1 & Ks = 4 g/l. The specific growth rate, µ, of the organism at a substrate concentration of 2 g/l would be:

TLS Online TPP Program

#Question id: 27322

#Section 5: Bioprocess Engineering and Process Biotechnology

If the maintenance coefficient (m) is significantly high, then with reduction in specific growth rate:

TLS Online TPP Program

#Question id: 27323

#Section 5: Bioprocess Engineering and Process Biotechnology

In microbial cultivation experiment with cells having significant maintenance requirements, the measured  growth yield Y’ XS (G) and the true growth yield Y XS

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#Question id: 27324

#Section 5: Bioprocess Engineering and Process Biotechnology

During a batch culture experiment, the following data was obtained

What will be the product yield (g) per gram of substrate?

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#Question id: 27325

#Section 5: Bioprocess Engineering and Process Biotechnology

if the initial substrate concentration is 15 g/L and initial biomass concentration is 0.1 g/L. The substrate is then consumed completely and produces 6.4 g/L of biomass. The yield coefficient will be

TLS Online TPP Program

#Question id: 27326

#Section 5: Bioprocess Engineering and Process Biotechnology

The growth of a microorganism on glucose is described by the Monod model (µmax = 0.7 h¹ and Ks = 0.1 g L¹). If the initial biomass concentration in the batch fermenter is 0.1 g L¹, the minimum time required to triple the biomass concentration would be