#Question id: 14276
#Section 5: Bioprocess Engineering and Process Biotechnology
Nicotiana tabacum cells are cultured to high density for production of polysaccharide gum. The reactor used is a stirred tank, containing initially 100 litres medium. The maximum specific growth rate of the culture is 0.18 d-1 and the yield of biomass from substrate is 0.5 g g-l. The concentration of growth-limiting substrate in the medium is 3% (w/v). The reactor is inoculated with 1.5 g l- 1 cells and operated in batch until the substrate is virtually exhausted; medium flow is then started at a rate of 4 l d-1. Fed-batch operation occurs under quasi-steady-state condition. The fermenter is available 275 d per year with a downtime between runs of 24 h. How much plant cell biomass is produced annually? ___________________
#Question id: 13026
#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
#Question id: 2955
#Section 3: Genetics, Cellular and Molecular Biology
Cyclin is to MPF as ............ is to cyclin-dependent kinases.
#Question id: 16447
#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
2000 bp pair DNA can be
using by cutter of
#Question id: 15865
#Section 6: Plant, Animal and Microbial Biotechnology