Ch. 27: Photosynthetic Protists

found in euglenids contains carotenoid pigment granules in association with a light-sensitive structure –stimulates cells to swim toward moderately bright light or away from intense light to maximize photosynthetic activity

found in euglenids • layer of protein fibers located inside the cell, just under the plasma membrane • provides strength and flexibility • instead of a cell wall

found in euglenids type of carb. stored in cytoplasm first organism to store food in the chloroplasts

euglenids dinoflagellates green algae diatoms cyanobacteria plants red algae brown algae

euglenids green algae

dinoflagellates diatoms brown algae

found in -diatoms -dinoflagellates type -accessory gives the plant a brown color

euglenids green algae plants diatoms (general carotenes)

fungi stranenophila dinoflagellates green algae plants

phylum stramenopila (water molds) -Oomycota

found in diatoms they are carbs. and are stored in this form

found in diatoms silica-impregnated layers

found in diatoms

found in diatoms silica is hard - provides protection (shell)

found in brown algae outer layer (colloid?) -makes them slimy used commercially as a thickener

brown algae red algae green algae used to anchor then to the floor

found in brown algae • CHO are stores as laminarin • moved as mannitol (an alcohol)

found in kelps (brown algae) -cells specialized to move dissolved food main conducting cells of phloem end walls (sieve plates) are laced with openings

ADD MORE found in -stramenophila (oomycota) -fungi -brown algae function -swimming spores

found in -red algae -cyanobacteria -brown algae function -outer cell wall - "slime sheath" -gives them a slippery texture -pectin is in colloids

found in algal cell walls mucilaginous pectin -used as a solidifying agent for culture medium

found in -red algae extract used to thicken and stabilize paints, dairy products,, and other creams and emulsions

found in red algae cho. stored in this way in cytoplasm similar to glycogen in animals

found in -cyanobacteria -red algae two types -phycoerythrin (red) -phycocyanin (blue pigment) types of pigment produce the color differences -absorb green, reflect red wavelengths