Practice Questions

TLS Online TPP Program

#Question id: 18728

Which of the following statements is true in case of homopolymer tailing for producing sticky ends?

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

Poly(dC) tails to vector, poly(dG) to DNA
Poly(dG) tails to vector, poly(dG) to DNA
Poly(dC) tails to vector and DNA
Poly(dC) tails to vector and DNA

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TLS Online TPP Program

#Question id: 14629

#Section 5: Bioprocess Engineering and Process Biotechnology

Microbial cell recovery is carried out in a continuous disc-stack centrifuge. The centrifuge is operated at 5000 rpm for separation of baker's yeast. At a feed rate of 60 1/min, 50% of the cells are recovered. At constant speed, solid recovery is inversely proportional to flow rate. What flow rate is required to recover 90% of cells if the centrifuge speed is fixed at 5000 rpm?

TLS Online TPP Program

#Question id: 2288

#Section 3: Genetics, Cellular and Molecular Biology

Proteins lacking a signal peptide sequence will probably found in

TLS Online TPP Program

#Question id: 14417

#Section 5: Bioprocess Engineering and Process Biotechnology

Which size is suitable for following, match the following?

Products filter 'pore diameter( nm)

I. yeast and fungi P• 0.6-1.2

II. Bacteria q . 0.4- 0.8

III. Antibiotics r. 300-10^3