Catalase is an enzyme that speeds up the decomposition of hydrogen peroxide (H2O2) into water and oxygen. Students conducted two investigations to determine the ideal conditions for the function of catalase. One investigation compared catalase activity at different values of pH. The other investigation compared catalase activity at different temperatures. Enzyme Activity vs pH Enzyme Activity vs Temperature 7. 10 20 30 40 50 pH Temperature ("C) According to the data in the graphs, which pH and temperature combination provides the BEST conditions for catalase to function? O pH 5 and 4°C O pH 5 and 25'C O pH 7 and 37°C O pH 7 and 50°C Relative Enzyme Activity Relative Enzyme Activity
Enzyme kinetics
In biochemistry, enzymes are proteins that act as biological catalysts. Catalysis is the addition of a catalyst to a chemical reaction to speed up the pace of the reaction. Catalysis can be categorized as either homogeneous or heterogeneous, depending on whether the catalysts are distributed in the same phase as that of the reactants. Enzymes are an essential part of the cell because, without them, many organic processes would slow down and thus will affect the processes that are important for cell survival and sustenance.
Regulation of Enzymes
A substance that acts as a catalyst to regulate the reaction rate in the living organism's metabolic pathways without itself getting altered is an enzyme. Most of the biological reactions and metabolic pathways in the living systems are carried out by enzymes. They are specific for their works and work in particular conditions. It maintains the best possible rate of reaction in the most stable state. The enzymes have distinct properties as they can proceed with the reaction in any direction, their particular binding sites, pH specificity, temperature specificity required in very few amounts.
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