* Carbon dioxide (CO2) is a molecule composed of one carbon atom and two oxygen atoms. It is a greenhouse gas that contributes to climate change.
* Glucose (C6H12O6) is a molecule composed of six carbon atoms, twelve hydrogen atoms, and six oxygen atoms. It is a sugar that is the primary source of energy for most living things.
* Proteins are molecules that are composed of amino acids. They are essential for many bodily functions, such as building and repairing tissues, producing hormones, and transporting oxygen.
* DNA (deoxyribonucleic acid) is a molecule that encodes the genetic instructions for all living things. It is composed of four different types of nucleotides: adenine, cytosine, guanine, and thymine.
* RNA (ribonucleic acid) is a molecule that is similar to DNA. It is involved in protein synthesis and other cellular functions.
* Lipids are molecules that are composed of fatty acids and glycerol. They are used for energy storage, insulation, and protection.
* Minerals are molecules that are composed of inorganic elements. They are essential for many bodily functions, such as building bones and teeth, regulating the heartbeat, and transmitting nerve signals.