There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids), and each is an important component of the cell and performs a wide array of functions. C...There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids), and each is an important component of the cell and performs a wide array of functions. Combined, these molecules make up the majority of a cell’s mass. Biological macromolecules are organic, meaning that they contain carbon (with some exceptions, like carbon dioxide).
This page discusses the historical hunting of sperm whales for oil from the 1700s to the late 1900s, which resulted in drastic declines in whale populations and subsequent international protection by ...This page discusses the historical hunting of sperm whales for oil from the 1700s to the late 1900s, which resulted in drastic declines in whale populations and subsequent international protection by 1988. It also covers waxes, which are natural esters used for waterproofing in plants and animals, mentioning common types like beeswax and lanolin, and their applications in human products such as floor polish and car wax.
