#Question id: 10784
#I Life Science/ Life Sciences Group – I-V
The precursor of phenolic compound is___
#Question id: 19345
#SCPH06 I Botany
#Question id: 14275
#SCPH05 I 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 conditions. Fed-batch operation
is carried out for 40 d. What is the final mass of cells in the reactor?
_____________________
#Question id: 15893
#SCPH05 I Biotechnology
#Question id: 13097
#SCPH05 I Biotechnology
