TLS Online TPP Program

#Question id: 362


A 0.01 M solution of a substance has a pH of 2. What can you conclude about this substance?

#Section 4: Fundamentals of Biological Engineering
  1. It is a strong acid that dissociates completely in water.

  2. It is a strong base that dissociates completely in water.

  3. It is a weak acid.

  4. It is a weak base.

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TLS Online TPP Program

#Question id: 14158

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

BLAST uses a _______ to find matching words, whereas FASTA identifies identical matching words using the _____

TLS Online TPP Program

#Question id: 2124

#Section 2: General Biology

An integral membrane protein can be extracted with:

TLS Online TPP Program

#Question id: 1669

#Section 2: General Biology

What is the percentage of human peripheral blood T-cells bearing a γδ T-cell receptor?

TLS Online TPP Program

#Question id: 14323

#Section 5: Bioprocess Engineering and Process Biotechnology

Production of recombinant protein by a geneticallyengineered strain of Escherichia coli is proportional to cell growth. Ammonia is used as nitrogen source for aerobic respiration of glucose. The recombinant protein has an overall formula CHI.5500.31N0.25. The yield ofbiomass from glucose is measured at 0.48 g g-1; the yield of recombinant protein from glucose is about 20% that for cells. What is the oxygen demand per gmol glucose?

TLS Online TPP Program

#Question id: 13061

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

Precision will be reduced, but yield will be increased
Optimisation of a PCR reaction is often a compromise between the competing demands for precision, efficiency and yield. Although the specific effects may vary, generally, increasing the annealing temperature will increase non-specific primer binding and reduce precision. Increasing the length of the elongation phase will reduce the proportion of incomplete newly-synthesised strands and therefore increase yield. In this case, the potential effect on efficiency is unclear. Increasing the elongation phase would increase the reaction time, but the time taken to ramp down to a lower annealing temperature would be reduced.
Arrange in the order of their increasing capacity: