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TLS Online TPP Program

#Question id: 1266

Integrins

#Section 3: Genetics, Cellular and Molecular Biology

  1. are heterodimeric proteins.          

  2. bind to the tripeptide sequence Arg-Gly-Asp (RGD).

  3. are expressed in a cell-specific manner.

  4. have high-affinity binding sites (KD > 10-9 mol/L) for their ligands.

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TLS Online TPP Program

#Question id: 15583

#Section 4: Fundamentals of Biological Engineering

The dissolved oxygen concentration during the measurement of KLa by sodium sulphite method is
TLS Online TPP Program

#Question id: 15584

#Section 4: Fundamentals of Biological Engineering

Increasing the agitation in a reactor increases oxygen transfer primarily because:
TLS Online TPP Program

#Question id: 15585

#Section 4: Fundamentals of Biological Engineering

A stirrer has a power number (Np) 10. If the stirrer speed (N) is 1 s-1 , its diameter D= 1 m and the density of the medium is 1000 kg/m3, the ungassed power input (P) in watts is
TLS Online TPP Program

#Question id: 15586

#Section 4: Fundamentals of Biological Engineering

In SI system, the unit of thermal conductivity is
TLS Online TPP Program

#Question id: 15587

#Section 4: Fundamentals of Biological Engineering

Under unaerated conditions in a fermenter, the power consumed by a single impeller is 10 KW and upon changing the agitation rate from 200 to 600 rpm, the new power consumption (KW) would be -----. (Assuming that the power number remains constant)
TLS Online TPP Program

#Question id: 15588

#Section 4: Fundamentals of Biological Engineering

For a Rushton turbine impeller (Reynold’s number greater than 10,000) when RPM is doubled, the power absorption increases by: