Practice Questions

TLS Online TPP Program

#Question id: 626

A metabolic pathway proceeds according to the scheme, R -> S -> T -> U -> V -> W. A regulatory enzyme, X, catalyzes the first reaction in the pathway. Which of the following is most likely correct for this pathway?

#Section 2: General Biology

Either metabolite U or V is likely to be a positive modulator, increasing the activity of X.
The first product S, is probably the primary negative modulator of X, leading to feedback inhibition.
The last product, W, is likely to be a negative modulator of X, leading to feedback inhibition.
The last product, W, is likely to be a positive modulator, increasing the activity of X.

More Questions

TLS Online TPP Program

#Question id: 20013

#Section 5: Bioprocess Engineering and Process Biotechnology

In fed batch bioreactor modelling, the rate of change in the bioreactor volume is assumed to be equal to

TLS Online TPP Program

#Question id: 20014

#Section 5: Bioprocess Engineering and Process Biotechnology

In plug flow tubular reactor the axial velocity profile on cross-section will be

TLS Online TPP Program

#Question id: 20015

#Section 5: Bioprocess Engineering and Process Biotechnology

The concentration of biomass in a continuous stirred tank reactor is 20 g dry weight per litre. What would be the concentration of biomass in the effluent?

TLS Online TPP Program

#Question id: 20043

#Section 4: Fundamentals of Biological Engineering

The exponential phase may be described by the equation _______

TLS Online TPP Program

#Question id: 20044

#Section 4: Fundamentals of Biological Engineering

In a batch sterilization process if ∇overall , ∇heating & ∇cooling are 32.2, 9.8 & 10.1 respectively, THEN the holding time at 121ºC of the process is (given that the specific death rate (k) of microorganisms at 121ºC is 2.54 min^-1 ):

TLS Online TPP Program

#Question id: 20265

#Section 4: Fundamentals of Biological Engineering

Which of the following is not an example of disaccharide?