When the pancreas detects a high concentration of the blood’s sugar, glucose, it releases: a. insulin. b. antibodies. c. adrenaline. d. lymph. e. glucagon?

Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant

Some substances but not other can cross the (blank) membrane of a cell

Brian has a medical condition called cone dystrophy, which is a disorder of the cone cells in the eye. what symptoms would you expect brian to have? a. inability to see in the dark b. difficulty determining colors c. difficulty determining shapes and outlines d. inability to see in all light conditions