<P> The large majority of known organisms use catalase in every organ , with particularly high concentrations occurring in the liver in mammals . One unique use of catalase occurs in the bombardier beetle . This beetle has two sets of liquids that are stored separately in two paired glands . The larger of the pair , the storage chamber or reservoir , contains hydroquinones and hydrogen peroxide , while the smaller , the reaction chamber , contains catalases and peroxidases . To activate the noxious spray , the beetle mixes the contents of the two compartments , causing oxygen to be liberated from hydrogen peroxide . The oxygen oxidizes the hydroquinones and also acts as the propellant . The oxidation reaction is very exothermic ( ΔH = − 202.8 kJ / mol ) and rapidly heats the mixture to the boiling point . </P>
<P> The large majority of known organisms use catalase in every organ , with particularly high concentrations occurring in the liver in mammals . One unique use of catalase occurs in the bombardier beetle . This beetle has two sets of liquids that are stored separately in two paired glands . The larger of the pair , the storage chamber or reservoir , contains hydroquinones and hydrogen peroxide , while the smaller , the reaction chamber , contains catalases and peroxidases . To activate the noxious spray , the beetle mixes the contents of the two compartments , causing oxygen to be liberated from hydrogen peroxide . The oxygen oxidizes the hydroquinones and also acts as the propellant . The oxidation reaction is very exothermic ( ΔH = − 202.8 kJ / mol ) and rapidly heats the mixture to the boiling point . </P>
where do you find catalase in the body
where do you find catalase in the body
in every organ , with particularly high concentrations occurring in the liver in mammals
in every organ , with particularly high concentrations occurring in the liver in mammals