Question
The initial rate of an enzyme-catalyzed reaction depends on the concentration of substrate as shown in Figure P22.71. What is the apparent reaction order at the far right side of the graph?(GRAPH CAN'T COPY)
Step 1
This is measured in terms of the change in concentration of reactants with respect to time. Mathematically, this can be represented as: \[ \frac{d[R]}{dt} \] where [R] is the concentration of the reactants and t is the time. Show more…
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The rate of an enzyme-catalyzed reaction depends on the concentration of substrate. Which line in Figure $\mathrm{P} 22.72$ has the highest reaction rate? (GRAPH CAN'T COPY)
When substrates are present at relatively high concentration and are catalyzed by enzymes, the effect on reaction rate of changing substrate concentration can be described by zeroth-order kinetics. By what factor does the rate of an enzyme-catalyzed reaction change when the substrate concentration is changed from $1.5 \times 10^{-3}$ to $4.5 \times 10^{-2} \mathrm{M}$ ?
When substrates are present at relatively high concentration and are catalyzed by enzymes, the effect on reaction rate of changing substrate concentration can be described by zeroth-order kinetics. Calculate by what factor the rate of an enzyme-catalyzed reaction changes when the substrate concentration is changed from $1.5 \times 10^{-2} \mathrm{M}$ to $4.5 \times 10^{-2} \mathrm{M}$
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