Which occurrence is an example of eustress (or good stress)? O A. getting fired from a job OB. failing a class at school Oc. going away to college OD losing a loved one​

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.