Questions Solved Correctly.
cell membrane - Answer Serves as the cell's boundary from its environment.
Proteins - Answer The channels and pumps that help move materials from one side of the cell
membrane or the other are made of _______.
cell membrane - Answer regulates the movement of materials into and out of the cell
active transport - Answer requires the input of energy from the cell
diffusion - Answer occurs because molecules constantly move and collide with each other
Stop moving - Answer During diffusion and osmosis, when molecules are equal on both sides of a
membrane, the molecules will..
hypotonic solution - Answer Water will move into the cell
hypotonic - Answer concentration of solute is less than the inside of the cell
into the cell - Answer In fresh water the cell will burst because osmotic pressure causes water to go
_______.
homeostasis - Answer relatively constant internal physical conditions of an organism
active transport - Answer type of transport when a protein moves a substance from Low to High
concentration