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.

#Question id: 376

#Section 4: Fundamentals of Biological Engineering

Phosphoric acid is tribasic, with pKa of 2.14, 6.86 and 12.4. The ionic form that predominates at pH 3.2 is

#Question id: 2263

#Section 3: Genetics, Cellular and Molecular Biology

Proteins synthesized by the rough ER are

#Question id: 3910

#Section 3: Genetics, Cellular and Molecular Biology

RNA polymerase uses the __ strand of DNA in transcription.

#Question id: 2070

#Section 3: Genetics, Cellular and Molecular Biology

The sodium-potassium pump is called an electrogenic pump because it:

#Question id: 10158

#Section 2: General Biology

Following are some statements regarding CO2 assmilation;

a.) The reduction process-Hydroxypyruvate convert into Glycerate in Peroxisomes in Glycolate pathway

b.) In Calvin-Benson cycle action of Transketolase produces erythrose 4-phosphate and xylulose 5-phosphate during regeneration step

c.) In C4 cycle phosphoenolpyruvate carboxylase (PEPCase), catalyzes the initial carboxylation in mesophyll cells close to the external atmosphere

d.) The stomata of CAM plants open at night

Which of the following above statements combination TRUE?