photosynthetic photosynthetic bacteria photosynthetic unit photosystem photosystem photosystems photosystem I photosystem II photosystem II D1 polypeptide carboxy-terminal processing protease phototactic
| phototactically phototaxes phototaxies phototaxis phototaxis phototaxy (current term) phototelegraphy phototherapy phototherapy photothermal
| phototimer phototonus phototoxic phototoxic phototoxicities phototoxicity phototoxic sensitivity phototoxis phototransduction phototroph
|