PROTEROZOIC
\pɹˈə͡ʊtɹəzˌə͡ʊɪk], \pɹˈəʊtɹəzˌəʊɪk], \p_ɹ_ˈəʊ_t_ɹ_ə_z_ˌəʊ_ɪ_k]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.