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?

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#Question id: 5212

#SCPH06 I Botany

Barbara McClintock, famous for discovering that genes could move within genomes, had her meticulous work ignored for nearly 4 decades, but eventually won the Nobel Prize. Why was her work so distrusted?

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#Question id: 1768

#SCPH01 Biochemistry

Which of the following mediates type 2 hypersensitivity reaction?

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#Question id: 19355

#SCPH01 Biochemistry

Genes are often transferred from eukaryotes into prokaryotes with the prime objective

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#Question id: 5553

#I Life Science/ Life Sciences Group – I-V

The notochord is a ___ structure in vertebrate embryos that lies under the ___, and is bordered by ___.

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#Question id: 2085

#I Life Science/ Life Sciences Group – I-V

Cholesterol mixes with phospholipids in a biomembrane because cholesterol molecules are