Old, worn out cell parts or harmful invaders
The enzyme amylase can break down starch to maltose.
peptidase enzyme
The body uses enzymes called amylase to break down starches. This enzyme is structured to break down the starch and no other enzyme can perform this function.
Lipases
Horses break down cellulose by use of enzyme cellulase.
Amylase
Proteases break down proteins.
This an enzyme which helps to break down proteins.
it is used to break down carbs
Proteases are enzymes which break down proteins. Each enzyme can only break down one substance (they are specific to one substrate). This is because their active site has a specific shape to fit a protein and will not fit a starch molecule.
Catalase break down H2O2.It is stored in peroxisomes.
Maltase breaks down enzymes in the small intestine.