Answer:1. Carbohydrates: These provide energy for cells and are structural components of plants. Examples include sugars, starches, and cellulose.2. Lipids: These store energy, form cell membranes, and act as hormones. Examples include fats, oils, and waxes.3. Proteins: These are involved in virtually every function of a cell, including building structures, transporting molecules, and catalyzing reactions. Examples include enzymes, antibodies, and muscle fibers.4. Nucleic acids: These store and transmit genetic information. Examples include DNA and RNA.