Answer:
enzymes are biological catalysts which speeds of up chemical reactions which is occuring on an organism
Explanation:
when an enzyme is deposited to a metabolic reaction, the active site of the enzymes me will be attaching to the substrate particle. then the substrate particle will be broken down to product particles
eg : starch + amylase gives maltose
Nerve impulses are caused by Potassium (K+) and Sodium (Na+) ions that are located inside and outside of the cell. The structure of the cell membrane is permeable to Potassium but are highly impermeable to Sodium ions. These impulses are transmitted from one nerve cell to the other in very fast series.