Rhodophyceae is red colour due to
Xanthophyll
Carotenoids
-phycoerythrin
-phycocyanin
Cell wall composition of Rhodophyceae -
Contains cellulose and pectin along with phycocolloids and carrageenin.
-
-phycoerythrin and
-phycocyanin both are present in the cell wall of rhodophyceae but its red colour is due to the presence of
-phycoerythrin