If, someday, an archaean cell is discovered whose SSU-rRNA sequence is more similar to that of humans than the sequence of mouse SSU-rRNA is to that of humans, the best explanation for this apparent discrepancy would be

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#Question id: 24094

#Section 5: Bioprocess Engineering and Process Biotechnology

Which phase has the condition of specific growth rate “μ ≈ μmax”?

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#Question id: 14853

#Section 1: Engineering Mathematics

If the sum of the mean and the variance of a Binomial distribution for 18 trials is 10, find the distribution

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#Question id: 15580

#Section 4: Fundamentals of Biological Engineering

The unit of volumetric oxygen transfer coefficient (KLa) is

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#Question id: 14429

#Section 5: Bioprocess Engineering and Process Biotechnology

Which one of the following constants is represented by Kp?

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#Question id: 14309

#Section 5: Bioprocess Engineering and Process Biotechnology

Glucose is converted to ethanol by immobilized yeast cells entrapped in gel beads. The specific rate of ethanol production is: q_P = 0.2 g ethanol/g-cell-h. The effectiveness factor for an average bead is 0.8. Each bead contains 50 g/L of cells. The voids volume in the column is 40%. Assume growth is negligible (all glucose is converted into ethanol). The feed flow rate is F = 400 l/h and glucose concentration in the feed is S_0i = 150 g glucose/l. The diameter of the column is 1 m and the yield coefficient is about 0.49 g ethanol/g glucose. The column height is 4 m. What is the glucose conversion at the exit of the column?