They store carbohydrates in the cytoplasm in the form of (*) floridean starch, and deposit carrageenan and agar in their cell walls.
One behavior commonly exhibited by these organisms involves injection of the nucleus of a conjunctor cell into the cytoplasm of a closely-related species and formation of a pustule on the host. Cell division in these organisms is incomplete and results in the formation of protein-containing plugs and pit connections between adjacent cells. One stage in their life cycle consists of a filamentous cystocarp protecting the diploid carposporophyte, which remains attached to the haploid gametophyte. These organisms notably lack flagellated cells in their life cycle, and have chloroplasts with unstacked thylakoids. They store carbohydrates in the cytoplasm in the form of (*) floridean starch, and deposit carrageenan and agar in their cell walls. FTP, name this group of algae that produces phycobilins like phycoerythrin, which gives its members their characteristic color.
One behavior commonly exhibited by these organisms involves injection of the nucleus of a conjunctor cell into the cytoplasm of a closely-related species and formation of a pustule on the host.
{Rhodophyta} or {red} algae [prompt on “{Florideophyceae}” after (*); accept “{Florideophyceae}” before (*)]