I don't know about controlling ALL chemical reactions in the body, but biological catalysts are known as enzymes.
vitamins
catalyst
True chemical reactions in cells are faster than the same reactions outside cells. The substance upon which an enzyme acts is called the substrate.
metabolism
The fungi are breaking down the wood of the dead trees to use their chemical products in building its own structure. This process involves chemical reactions by the fungi, which are all forms of chemical decomposition : the formation of smaller molecules from larger molecules.
enzymes helps control chemical reactions by the chemical in it called collagen when enzymes enter your body they create a chemical reactions and controls the chemical reactions you get by eating too much acids.
The chemical process by which molecules are broken down into their smaller components is called catabolism.
Enzymes
This process is called hydrolysis.
The large complex protein molecules that modify chemical reactions are called enzymes. Enzymes act as catalysts, speeding up chemical reactions by lowering the activation energy required for the reaction to occur. They bind to specific molecules called substrates and facilitate the conversion of substrates into products.
The sum of all the chemical reactions involved in building up of complex molecules is known as anabolism; and the breaking down of molecules is known as catabolism.
Biological catalysts are called 'enzymes'.
vitamins
This is known as Dehydration Synthesis
Enzyme
enzymes
Type your answer here... vitamins