A bullfrog can blow its self to scary enemies and if the predator still goes for the frog he has poisons gases on his skin that are like you eating the hottest pepper.
Because the membrane is made of lipids, typically fat-soluble (non-polar) molecules are able to pass easily. In addition, smaller, uncharged polar molecules can also pass through. Use the attached diagram to help you understand.
Answer:
D. the tendency of a cell to maintain a stable internal environment
Explanation:
Circulatory system and nucleus