A liquid stream is cooled from 80°C to 30°C in a double pipe heat exchanger as illustrated below: 

Fluid flowing counter currently with this stream is heated from 15°C to 30°C. Calculate the log mean temperature difference. 

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#Question id: 3566

#Section 3: Genetics, Cellular and Molecular Biology

Two organisms, with genotypes BbDD and BBDd, are mated. Assuming independent assortment of the B/b and D/d genes, determine the genotypic ratios in offspring that would occur.

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#Question id: 3795

#Section 3: Genetics, Cellular and Molecular Biology

The exonuclease activity of the DNA polymerases functions to:

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#Question id: 1588

#Section 2: General Biology

A patient reports severe symptoms of watery, itchy eyes and sneezing after being given a flower bouquet as a birthday gift. A reasonable initial treatment would involve the use of

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#Question id: 14599

#Section 5: Bioprocess Engineering and Process Biotechnology

Problem of Concentration polarization in membrane filtration is overcome by 

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#Question id: 14478

#Section 1: Engineering Mathematics

Probability of throwing a number greater than 3 with an ordinary die is