Passive Transport
Passive Transport uses _____ energy
No, 0
Active Transport moves molecules __________
Against the concentration gradient
When the solvent and solute are evenly distributed throughout the solution
Isotonic
Water moves across the cell membrane
Osmosis
The barrier around the cell that is semi-permeable
Cell Membrane
Water uses this type of diffusion
Osmosis
Active Transport requires energy in the form of _______
ATP
Water moves _________ in a hypertonic solution
out of the cell
A white blood cell engulfs a pathogen using this type of transport
Endocytosis
The heads of the phospholipid bilayer are ________
hydrophilic
The movement of small molecules through the phospholipid bilayer from a high to low concentration
simple diffusion
The process by which a cell releases a substance from a vesicle to outside the cell
Exocytosis
When a solution has a low concentration of solute
hypotonic
A vesicle carries insulin out of the cell to be released into the blood stream
Exocytosis
The tails of the phospholipid bilayer are ___________
Hydrophobic
The movement of large or charged molecules from a high to low concentration via a protein
facilitated diffusion
The process by which a cell engulfs a substance to bring it into a cell by creating a vesicle around it
endocytosis
The differing concentrations between a cell and solution are referred to as what
Concentration Gradient
Oxygen diffuses directly through the cell membrane in this type of diffusion
simple diffusion
This part of the cell membrane consists of both a hydrophilic and hydrophobic part
phospholipid bilayer
A large molecule is carried by a protein across the cell membrane through a ___________ with the concentration gradient from high to low
protein channel
When molecules are pumped from low to high concentrations they need __________ to cross the cell membrane
protein pump
Molecules stop passive transport when both sides of the membrane reach ________
Equilibrium
Moving sodium from a low to high concentration requires these two things _______ and ________
Energy (ATP) and a protein pump
Specialized protein that can help water move through the cell membrane
Aquaporin