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Peroxidase. Some metals and metal oxides will do so also. Ultraviolet light.

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Why do cells break down H2O2?

Cells would break down H2O2 for the use of H+ and O- ion in other need compounds or for the H2O molecules for hydrolysis reactions (breaking down larger macromolecules), unless your referring to why do cells seem to breakH2O2 into H2O + O2, it's not really the cells breaking it down it's the enzyme or catalyst that the cells contain, the catalyst that some cells contain (liver cells) that will break down H2O2 is Hydrolase.


What molecule is catalase breaking down in this reaction?

Catalase breaks down hydrogen peroxide (H2O2) into water (H2O) and oxygen (O2).


Why is h2o2 kept in colour bottle?

Hydrogen peroxide (H2O2) is kept in a colored bottle to protect it from light exposure. Light can trigger a chemical reaction that can break down hydrogen peroxide into water and oxygen, reducing its effectiveness. Storing it in a colored bottle helps maintain its potency and stability.


Why is the shape of H2O2 important to the enzyme catalase?

it is important because the shape of h2o2 must be complementary to the shape of the active site of the calase enzyme. Enzyme substarate complex can be formed and enzyme product complex can then be formed. If h202 shape was not complementary of the shape of the active site of catalase h202 could not be broken down into water and oxygen. Without the enzyme present it would take days for the h202 to break down. It would eventually break but it would take a long time. So the shape is important because without h202 would not be able to bind with the active site.


What organelle produces H2O2 as a by product?

Peroxisomes are the organelles that produce hydrogen peroxide (H2O2) as a byproduct of various metabolic reactions, particularly during the breakdown of fatty acids. They also contain enzymes like catalase to break down the hydrogen peroxide into water and oxygen to prevent cellular damage.