Lipids are a group of naturally occurring molecules that include fats , waxes , sterols , fat-soluble vitamins ( such as vitamins A , D , E , and K ) , monoglycerides , diglycerides , triglycerides , phospholipids , and others .
Lipids are a group of naturally occurring molecules that include fats , waxes , sterols , fat-soluble vitamins ( such as vitamins A , D , E , and K ) , glycerides , phospholipids , and others .