In a fed-batch culture, 200 g . L 1 glucose solution is added at a flow rate of 50 L . h 1. The initial culture volume (at quasi steady state) and the initial cell concentration are 600 L and 20 g . L 1, respectively. The yield coefficient (Yx/s) is 0.5 g cell mass . g substrate 1. The cell concentration (g . L 1) at quasi steady state at t = 8 h is

In a fed-batch culture, 200 g . L 1 glucose solution is added at a flo

1.	In a fed-batch culture, 200 g . L 1 glucose solution is added at a flow rate of 50 L . h 1. The initial culture volume (at quasi steady state) and the initial cell concentration are 600 L and 20 g . L 1, respectively. The yield coefficient (Yx/s) is 0.5 g cell mass . g substrate 1. The cell concentration (g . L 1) at quasi steady state at t = 8 h is
A.	40
B.	52
C.	60
D.	68
Answer» C. 60

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