Laboratory-scale fermenters are usually mixed using small stirrers with electric motors rated between 100 and 500 W. One such motor is used to drive a 7cm turbine impeller in a small reactor containing fluid with the properties of water. The stirrer speed is 900 rpm. Estimate the power requirements for this process.

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#Question id: 7501

#Part-A Aptitude & General Biotechnology

A train 150 m long is running with a speed of 68 kmph. In what time will it pass a man who Is running at 8 kmph in the same direction in which the train is going?

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#Question id: 2289

#Part-A Aptitude & General Biotechnology

According to the endosymbiotic theory, which organelles form from engulfing of cyanobacteria  

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#Question id: 2073

#Part-A Aptitude & General Biotechnology

The phosphate transport system in bacteria imports phosphate into the cell even when the concentration of phosphate outside the cell is much lower than the cytoplasmic phosphate concentration. Phosphate import depends on a pH gradient across the membrane—more acidic outside the cell than inside the cell. In this bacterial cell, phosphate transport is an example of:

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#Question id: 5035

#Part-B Specialized Branches in Biotechnology

 A fertilized egg is called a:

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#Question id: 11597

#Part-B Specialized Branches in Biotechnology

GA 2-oxidase catalyzing the addition of a hydroxyl group to C-2 by inactivates