1. Carbohydrates:

* Function: Primarily provide energy for the body. They also play a role in cell structure and communication.

* Examples: Sugars (glucose, fructose), starches, cellulose (fiber)

2. Lipids (Fats):

* Function: Long-term energy storage, insulation, cell membrane structure, hormone production, and protection of organs.

* Examples: Triglycerides, phospholipids, steroids (like cholesterol)

3. Proteins:

* Function: Carry out a wide range of functions, including:

* Structural support (e.g., collagen, keratin)

* Enzymes (catalyze chemical reactions)

* Hormones (regulate bodily functions)

* Antibodies (fight infection)

* Transport (e.g., hemoglobin carrying oxygen)

* Examples: Enzymes, antibodies, hormones, muscle proteins

4. Nucleic Acids:

* Function: Store and transmit genetic information.

* Examples: DNA (deoxyribonucleic acid) and RNA (ribonucleic acid)

These four major biomolecules are essential for life and work together to carry out all the functions necessary for an organism to survive and thrive.