Complex sentence: Steroids are mainly oxidized by cytochrome P450 oxidase enzymes, such as CYP3A4, these reactions introduce oxygen into the steroid ring and allows the structure to be broken up by other enzymes, to form bile acids as final products.
Split into simpler sentences: Steroids are mainly oxidized by cytochrome P450 oxidase enzymes, such as CYP3A4. These reactions introduce oxygen into the steroid ring and allows the structure to be broken up by other enzymes, to form bile acids as final products.