In the reaction H2O2(aq) → H2O(l) + ½ O2(g), the initial concentration of H2O2 is 0.2546 M, and the initial rate of reaction is 9.32×10^–4 M s^–1. What will be [H2O2] at t = 35 s?

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#Question id: 142

#Section 2: General Biology

Histidine has pKa values of 1.8, 6.0 (R-group) and 9.3 . At pH 8.0, the net charge on histidine is

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#Question id: 10785

#Section 6: Plant, Animal and Microbial Biotechnology

Plant phenolics compound are biosynthesized from___

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#Question id: 14430

#Section 5: Bioprocess Engineering and Process Biotechnology

Which is not correctly match, effect of process variables on mass transfer characteristics?

Process variable                     mass transfer characteristics

P. P/V                              -          oxygen transfer rate

q. Impeller tip speed     -          mixing time

r. Reynolds                     -          number shear rate 

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#Question id: 15700

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

In a sequence database of a given size, which of the following expressions is likely to retrieve more matches (X means any amino acid; any of the residues in square brackets can occupy that position)?

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#Question id: 3919

#Section 3: Genetics, Cellular and Molecular Biology

Most of the RNA polymerase activity in eukaryotic cells occurs in the