Genes a, b, and c are widely spaced in the bacterial genome. Transducing phage from an a+ b+ c+ bacterium were used to infect a culture of a- b- c- cells, and b+ transductants were selected. Which of the following best describes the predicted genotypes of these transductants?

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#Question id: 24075

#Section 5: Bioprocess Engineering and Process Biotechnology

In the combustion of methane, CH4(g) + 2 O2(g) → CO2(g) + 2H2O (g), which reactant has the greatest rate of disappearance?

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#Question id: 24076

#Section 5: Bioprocess Engineering and Process Biotechnology

Which of the following is not a possible graph of concentration versus time for a reactant?

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#Question id: 24077

#Section 5: Bioprocess Engineering and Process Biotechnology

The following graph shows the kinetics curves for the reaction of oxygen with hydrogen to form water:

O2(g) + 2H2(g) → 2H2O(g). Which curve is hydrogen?

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#Question id: 24078

#Section 5: Bioprocess Engineering and Process Biotechnology

A scientist conducts an experiment to determine the rate of the following reaction:

N2(g) + O2(g) → 2NO(g)

If the initial concentration of N2 was 0.500 M and the concentration of N2 was 0.450 M after 0.100 s, what is the rate of the reaction?

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#Question id: 24079

#Section 5: Bioprocess Engineering and Process Biotechnology

A scientist conducts an experiment to determine the rate of NO formation in the reaction:

N2(g) + O2(g) → 2NO(g)

If the initial concentration of N2 was 0.500 M and the concentration of N2 was 0.450 M after 0.100 s, what is the rate of NO formation?

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#Question id: 24080

#Section 5: Bioprocess Engineering and Process Biotechnology

HI dissociates to form I2 and H2:

2HI(g) →H2(g) + I2(g)

If the concentration of HI changes at a rate of –0.45 M/s, what is the rate of appearance of I2(g)?