Molecules

Molecules are the smallest units of a chemical compound that retain the specific properties of that compound. They are composed of atoms bonded together through covalent bonds, and can vary in size and complexity. Molecules can exist as simple diatomic structures such as oxygen (O2) or more complex organic compounds like DNA. The arrangement of atoms within a molecule determines its shape, properties, and reactivity. Molecules play a crucial role in the structure and function of all living organisms, as well as in various chemical processes and reactions.

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Biological Molecules
Biomolecules
Macromolecules
Molecules
Organic Molecules