speed up the rate of the reaction.
lowers the energy input required for a chemical reaction to happen
remains unchanged at the end of the reaction
Enzymes are Biological catalysts
Enzymes control chemical reactions that take place in the cytoplasm.
Catalase in an example of an enzyme made by living cells
The enzyme catalase breaks down the waste substance hydrogen peroxide into water and oxygen.
Hydrogen peroxide oxygen +water
Temperature and pH affect the activity of an enzyme.
Enzymes function best or are most active in specific conditions known as optimum
Made of protein.
Speed up reactions.
Not used up during the reaction.
Require optimum conditions at which they work best.
At high temperature they become denatured