Temperature affects enzyme activity
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7 Terms
What is the optimum temperature for human enzymes?
Around 37°C
Optimum temperature
The temperature at which enzyme activity is highest
What happens to the reaction rate when the temperature increases from below optimum to optimum?
increase
Why does the reaction rate increase as temperature rises towards the optimum point?
kinetic energy increases, molecules move faster, leading to more collisions between enzyme and substrate.
What happens to the enzyme when the temperature is above the optimum?
Denature
What does "denaturation" mean for an enzyme's structure?
The bonds holding the protein structure break, changing the shape of the active site.
Why does the reaction rate drop sharply when the enzyme denatures?
The enzyme denatures, changing the shape of the active site, the substrate can no longer bind, so the reaction rate drops sharply.