TLS Online TPP Program

#Question id: 27217


Which of the following statements is true for the BLAST algorithm for sequence comparison?

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
  1. It is a heuristic algorithm.
  2. BLAST alignments are guaranteed to be the best possible alignment subject to the correctness of the scoring function. 
  3. The size of the sequence alphabet has no effect on the efficiency of the BLAST algorithm.
  4. In BLAST, word length is 2 for protein sequence.
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TLS Online TPP Program

#Question id: 20007

#Section 5: Bioprocess Engineering and Process Biotechnology

A fed-batch reactor initially contains 2 litre of medium. If it was fed at 1 litre per hour, then after 10 hours, the volume of the reactor will be

TLS Online TPP Program

#Question id: 20008

#Section 5: Bioprocess Engineering and Process Biotechnology

In a glucose-yeast extract medium, Lactococcus lactis has a maximum specific growth rate (um) of 1.23 h-1. What would be the specific growth rate of this organism at steady state in a 4 litre reactor being fed at 2 litres per hour?

TLS Online TPP Program

#Question id: 20009

#Section 5: Bioprocess Engineering and Process Biotechnology

In a plug flow reactor, the highest concentration of substrates is exposed to the cells that

TLS Online TPP Program

#Question id: 20010

#Section 5: Bioprocess Engineering and Process Biotechnology

In an activated sludge process, the biomass is recycled to

TLS Online TPP Program

#Question id: 20011

#Section 5: Bioprocess Engineering and Process Biotechnology

A strain of Escherichia coli has a maximum specific growth rate of 0.8 h-1 on a glucose based medium. If this organism is being grown in a chemostat with a dilution rate of 1.2 h-1, then at steady state the concentration of E. coli in the same medium will

TLS Online TPP Program

#Question id: 20012

#Section 5: Bioprocess Engineering and Process Biotechnology

A fed-batch reactor containing 2 litre of medium and 0.1 g.l-l of biomass is fed with a medium containing 1 g.l-1 of substrate at 1 litre per hour. If after 10 hours, the concentration of biomass in the reactor was 0.2 g.l-1, then the biomass produced during the 10 hour period is