Organisims that have catalase what are you looking for in your observation when you are looking for evidence of a reaction? does the plant tissue that we tested contain catalase? does the animal tissue that was tested contain catalase?

1.the evidene of the reaction

2.yes

3.yes

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme