#Question id: 16873
#General Aptitude
#Question id: 27057
#Section 4: Fundamentals of Biological Engineering
#Question id: 14297
#Section 5: Bioprocess Engineering and Process Biotechnology
A two-stage chemostat system is used for production of
secondary metabolite. The volume of each reactor is 0.5 m3; the flow
rate of feed is 50 l h- 1. Mycelial growth occurs in the first
reactor; the second reactor is used for product synthesis. The concentration of
substrate in the feed is 10 gl-1. Kinetic and yield parameters for
the organism are:
Assume that product synthesis is negligible in the first
reactor and growth is negligible in the second reactor. Determine substrate
concentrations entering the second reactor.
#Question id: 14325
#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. If the biomass yield remains at 0.48 g g- l, how much change in ammonia requirement for wild-type E. coliunable to synthesise recombinant protein?
#Question id: 3767
#Section 3: Genetics, Cellular and Molecular Biology
Which of the following characteristics would you expect of a eukaryotic organism that lacks the enzyme telomerase?