Understand that lipids are a diverse group of organic compounds, primarily composed of carbon, hydrogen, and oxygen atoms.
Recognize that lipids include fats, oils, waxes, and certain vitamins, which are essential for storing energy and forming cell membranes.
Identify the common elements found in lipids: carbon (C), hydrogen (H), and oxygen (O). These elements form the backbone of lipid molecules.
Note that while some lipids may contain other elements like phosphorus (in phospholipids), the basic structure of most lipids is made up of carbon, hydrogen, and oxygen.
Remember that the presence of these elements allows lipids to be hydrophobic, meaning they do not mix well with water, which is crucial for their role in biological membranes.