In a road accident a forensic scientist collected traces of blood or other biological fluids and he wants to compared samples according to the composition of certain isoenzymes, for this which technique will efficiently work

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#Question id: 14309

#SCPH05 I 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?

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#Question id: 1057

#SCPH28 | Zoology

Phage-encoded proteins are

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#Question id: 12939

#SCPH06 I Botany

Choose the incorrect statement for the production of site-directed mutations.

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#Question id: 15271

#SCPH28 | Zoology

During RNA extraction, the homogenate is first treated with

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#Question id: 4569

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

Which of the following must exist in a population before natural selection can act upon that population?