Predict the level of transcription of the trp operon genes (low to high) in the presence of low levels of tryptophan in e coli cells being in an in-frame deletion of the 2 trp codons that are usually found in the leader peptide. a) middle-level transcriptionb) high transcriptionc) low transcriptiond) all the above

it enhances antibody production by t cells of the adaptive immune system.

hope i'm right

explanation:

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls

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.