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TLS Online TPP Program

#Question id: 1120

A mutation that knocks out the GTPase activity of a G protein would have what effect on a cell?

#Section 3: Genetics, Cellular and Molecular Biology

  1. The concentration of available GTP would decrease.

  2. The number of G proteins in the cell would increase.

  3. The G protein would be inactivated by a G protein-coupled receptor/signal molecule complex.

  4. The G protein would always be active.

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TLS Online TPP Program

#Question id: 139

#Section 2: General Biology

 A sequence of amino acids with a relatively high hydropathy is very likely to function by
TLS Online TPP Program

#Question id: 18641

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which one of the following is NOT an algorithm for building phylogenetic trees? 
TLS Online TPP Program

#Question id: 17914

#Section 4: Fundamentals of Biological Engineering

A Newtonian fluid is one in which the viscosity
TLS Online TPP Program

#Question id: 122

#Section 2: General Biology

An unknown lipid is treated with a mixture of phospholipases A1, A2, C and D. Since no glycerol is formed after this treatment, the lipid is most likely
TLS Online TPP Program

#Question id: 14430

#Section 5: Bioprocess Engineering and Process Biotechnology

Which is not correctly match, effect of process variables on mass transfer characteristics?
Process variable                     mass transfer characteristics
P. P/V                              -          oxygen transfer rate
q. Impeller tip speed     -          mixing time
r. Reynolds                     -          number shear rate