Practice Questions

TLS Online TPP Program

#Question id: 14934

E. coli was continuously cultured in a continuous stirred tank fermenter with a working volume of 1.0 I by chemostat. A medium containing 4.0 g1^-1 of glucose as a carbon source was fed to the fermenter at a constant flow rate of 0.5 I h^-1, and the glucose concentration in the output stream was 0.20 g I^-1. The cell yield with respect to glucose YxS was 0.42 g dry cells per gram glucose. Determine specific growth rate

#Section 5: Bioprocess Engineering and Process Biotechnology

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#Question id: 4418

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

Histones in repressed regions near telomeres and at the silent mating loci are hypoacetylated, confirmed by using

#Question id: 15424

#Section 1: Engineering Mathematics

#Question id: 3762

#Section 3: Genetics, Cellular and Molecular Biology

Why does a new DNA strand elongate only in the 5' to 3' direction during DNA replication?

#Question id: 15875

#Section 6: Plant, Animal and Microbial Biotechnology

#Question id: 567

#Section 2: General Biology

Penicillin and related drugs inhibit the enzyme; this enzyme is produced by