Ten million Atps are used by a single cell every second, and every 20 to 30 seconds, all of those molecules are recycled.
A molecule refers to the smallest subunit of a chemical that keeps its content and capabilities. It is made up of two or so more atoms that are joined together by chemical bonds. Chemistry is built on molecules.
Nanoparticles are created when elements come together. Two hydro (H) nuclei and one oxide (O) atom make up the three atoms that make up a water molecule. This is why water is occasionally abbreviated as H2O. There are billions of molecules of water in a given drop of liquid.
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