Any of a group of red or blue photosynthetic pigments present in some algae.
- ‘It is a fundamental metabolic pathway needed for biosynthesis of cytochromes, chlorophylls, phycobilins, and the corrin nucleus of vitamin B 12.’
- ‘The picture at the right shows the two classes of phycobilins which may be extracted from these ‘algae’.’
- ‘Unlike any other flagellate algae, they contain phycobilins as accessory photosynthetic pigments, as do red algae and cyanobacteria.’
- ‘Rhodophytes, like glaucophytes, lack chlorophyll b but carry a complement of phycobilins arranged in phycobilisomes on unstacked thylakoids.’
- ‘A second group, the Dinophysis species, have plastids containing phycobilins and chlorophyll a + c.’
We take a look at several popular, though confusing, punctuation marks.