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Enzymes and Biological Catalysts (How do they work? (Not Optimum (Enzyme…
Enzymes and Biological Catalysts
Life could not exist without enzymes.
Essentially, enzymes are biological catalysts that speed up biochemical reactions.
Biochemical Reactions:
Covers chemical reactions, chemical bonds, chemical equations, and the conservation of mass. Many forms of energy such as potential, kinetic, and ATP (energy within a cell) are also covered.
How do they work?
Not Optimum
Enzyme doesn't work as well
.
This causes the enzymes to become denatured
Reason: Different factors change the shape, which negatively affects the function. Sometimes these changes are irreversible.
Enzyme stops working
Optimums
The Human Body: Optimum working conditions
Optimum temperature: 40C
Human body temperature
Optimum pH: 7
How do enzymes speed up biochemical reactions so dramatically? Like all catalysts, enzymes work by lowering the activation energy of chemical reactions.
Enzyme Inhibition
Competetive
Temperature and enzyme activity graph
At first, as the enzyme activity increases, slowly at first-then quicker, the temperature rises but after the optimum of enzyme activity, at 40C, as the temperature continues to increases, the enzyme activity rate decreases gradually
In animals, our bodies have an optimum of 40C. That is why the enzyme activity rate is at its optimum at 40C. Bacteria has a reasonably lower optimum temperature- around 25C.
