The cell membrane is sometimes called another name. what is it?
a. plasma membrane
b. cell terminus
c. outer shell
d. carbohydrate barrier

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Which beat describes the brain stem

Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.