The -10 and -35 regions of prokaryotic promoters are called consensus sequences because
they are identical in all bacterial species
they are similar in all bacterial species
they exist in all organisms
they have the same function in all organisms

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.

answer; projective;