A cylindrical bioreactor of diameter 3 m has four baffles. A Rushton turbine mounted in the reactor has a diameter one third the tank diameter and is operated at a speed of 90 rpm. The density of the fluid is approximately I g cm^-3. The reactor is used to culture an anaerobic organism that does not require gas sparging. The broth can be assumed Newtonian. As the cells grow, the viscosity of the broth increases. when the viscosity is 1000 times greater than water, estimate the power required to achieve turbulence.

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#Question id: 10164

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

C4 photosynthetic carbon cycle is also known as the

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#Question id: 3679

#SCPH06 I Botany

A mutation in an E. coli cell becomes active half-way through a round of replication. The cell completes the round of replication normally but then cannot start a second round. Which protein could be mutated?

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#Question id: 5346

#SCPH28 | Zoology

The following typical pedigree illustrates the key point that affected children are born to unaffected parents: Which of the following is correct statement?

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#Question id: 353

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

Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentration of the lake?

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#Question id: 1415

#SCPH28 | Zoology

Which of the following apoptotic proteins is homologous to human Bcl-2?