Molecular level

The molecules are links of different atoms. The possibility that there exists life based on other different chemistries is not known. The molecular level is till now the only one that one has found in space. The molecules that living beings form are known as organic macromolecules principles, and can be:
- organic: present especially in the alive matter. The organic macromolecules are: glícidos, lípidos, proteins and nucleicosacids .
- inorganic: presents in the alive matter and in the inert one. They are the water and you them work out mineral.