A fermentation medium is being cooled from 70^0C to 32^0C in a double pipe heat exchanger. Fluid flowing counter currently with this stream in heated from 20^0C

to 46^0C. The log mean temperature difference (in0C) for the two streams is

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#Question id: 582

#Section 2: General Biology

When two different substrates react to form two different products, the rate constants for each separate substrate can be determined by

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#Question id: 92

#Section 2: General Biology

Monosaccharide derivatives in which an amino group replaces one of the hydroxyl groups may have important roles in

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#Question id: 10267

#Section 3: Genetics, Cellular and Molecular Biology

Exceptions of law of dominance are

a. Incomplete dominance

b. Codominance

c. Nondisjunction

d. Linkage

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#Question id: 1896

#Section 2: General Biology

The single best description of an allergen is that it is:

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#Question id: 361

#Section 4: Fundamentals of Biological Engineering

Calculate the percentage of histidine that has its imidazole side chain protonated at pH 7.3. The pKa values for histidine are pK1 = 1.8, pK2 (imidazole) = 6.0, and pK3 = 9.2.