A bacteria having doubling time of 1 minute, fills a cylindrical vessel completely in 3 hours. How much time will it take to fill half of the vessel?

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#Question id: 8923

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

Which of these genetic processes may be most helpful in accounting for the Cambrian explosion?

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#Question id: 5443

#SCPH06 I Botany

Two varieties of maize averaging 25 and 125 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 75 inches in height. Plant height is control by 3 QTL, what is the probability of plant with 25 inch height in F2 generation?

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#Question id: 14292

#SCPH05 I Biotechnology

Consider the scale up of a fermentation from a 10L to 10000L while maintaining geometric similarity. Agitation speed was maintained at 500 rpm in the 10L fermenter. If scale up is done based on constant tip speed, then the agitation speed in the larger reactor should be 

rpm. 

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#Question id: 11198

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

The "undershoot" phase of hyperpolarization is due to ________.

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#Question id: 10508

#SCPH05 I Biotechnology

Glandular trichomes store species-specific secondary metabolites in a pocket formed between the cell wall and the cuticle. These secondary metabolites are-