What molecule is catalase breaking down in this reaction?

2H_2O_2 -catalase-> 2H_2O + O_2

1 Answer

The catalase enzyme is breaking down hydrogen peroxide (H_2O_2)

Explanation:

In a chemical equation the arrow will point towards the products (things made) of the reaction. This reaction makes water (H_2O) and oxygen (O_2).

The other side of the arrow is where you find the reactant (starting material). In this reaction the starting material is hydrogen peroxide(H_2O_2).

Here is a video which shows this reaction.

Hope this helps!