Recombination of different types of cells to form more defined tissue or organ is known as __________________ 

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#Question id: 3712

#Section 3: Genetics, Cellular and Molecular Biology

Approximately ________ base pairs are added per second during DNA in vivo replication in E.coli.

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#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 

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#Question id: 18663

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

When a protein exists in mono-, di- and tri-phosphorylated forms. The difference of a couple of phosphate groups has no significant effect on the overall relative molecular mass of the protein, hence a single band on SDS gels, but the small charge difference introduced on each molecule can be detected by

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#Question id: 3524

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following genotypes would produce the greatest variety of gametes of the alleles assorted independently?

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#Question id: 28116

#Section 5: Bioprocess Engineering and Process Biotechnology

A baffled fermenter with tank diameter and liquid height equal to 1.2 m is stirred using a six-blade downward-pumping impeller. The impeller diameter is 0.42 m and the stirrer speed is 1.5 s. The viscosity of the fermentation broth is 10^-2 Pa s and the density is 1000 kg m-³. Estimate the mixing time under nonaerated conditions.