PHOTOSYSTEM II REACTION CENTER
\fˌə͡ʊtə͡ʊsˈɪstəm ɹˌə͡ʊmən tˈuː ɹɪˈakʃən sˈɛntə], \fˌəʊtəʊsˈɪstəm ɹˌəʊmən tˈuː ɹɪˈakʃən sˈɛntə], \f_ˌəʊ_t_əʊ_s_ˈɪ_s_t_ə_m ɹ_ˌəʊ_m_ə_n_ t_ˈuː ɹ_ɪ__ˈa_k_ʃ_ə_n s_ˈɛ_n_t_ə]\
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.