PHOTOSYSTEM I REACTION CENTER
\fˌə͡ʊtə͡ʊsˈɪstəm a͡ɪ ɹɪˈakʃən sˈɛntə], \fˌəʊtəʊsˈɪstəm aɪ ɹɪˈakʃən sˈɛntə], \f_ˌəʊ_t_əʊ_s_ˈɪ_s_t_ə_m aɪ 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.