.
Move across the membrane to the outside of the cell.
Stop moving across the membrane.
Move across the membrane in both directions.
Move across the membrane to the inside of the cell.
Only through a lipid bilayer membrane.
From an area of low concentration to an area of high concentration.
Only in liquids.
From an area of high concentration to an area of low concentration.
Breaks down lipids, carbohydrates, and proteins from foods
Stores water, salt, proteins, and carbohydrates
Keeps the cell wall in place
Regulates which materials enter and leave the cell
Into the cell through the channel protein
Into the cell through the phospholipid bilayer
Out of the cell through the channel protein
Out of the cell through the phospholipid bilayer
Mitochondrion
Cell membrane
Chloroplast
Channel proteins
Carbohydrates
Lipids
Bilipids
Proteins
Diffusion
Endocytosis
Active transport
A sodium-potassium pump
Diffusion
Osmosis
Facilitated diffusion
Active transport
Active transport
Exocytosis
Facilitated diffusion
Osmosis
Osmosis.
Facilitated diffusion.
Active transport.
Diffusion.
The solution is hypertonic to the cell.
The solution and the cell have equal concentrations of solutes.
The solution is hypotonic to the cell.
The solution and the cell have equal concentrations of water.
Osmotic pressure.
Osmosis.
Facilitated diffusion.
Active transport.
The concentration always remains greater inside a membrane.
The concentration eventually becomes balanced on both sides of a membrane.
The concentration always remains greater on the outside of a membrane.
The concentration becomes imbalanced on both sides of a membrane.
Contractile vacuoles
Osmosis
Active transport
Facilitated diffusion
Exocytosis.
Facilitated diffusion.
Osmosis.
Ion pumps.
Osmosis.
Endocytosis.
Lipid carriers.
Diffusion.
Cause turgor pressure to increase because water is moving into the cell.
Cause the vacuole to swell.
Have no effect.
Cause turgor pressure to decrease because water is moving out of the cell.
Water molecules move out of the cells.
Water molecules move into the cells.
Salt ions move out of the cells.
Salt ions move into the cells.
It expels (pumps out) excess water using contractile vacuoles.
It expels (pumps out) excess sodium using the sodium-potassium pump.
It absorbs additional water through osmosis.
It absorbs additional sodium through facilitated diffusion.
Only through a lipid bilayer membrane.
From an area of low concentration to an area of high concentration.
Only in liquids.
From an area of high concentration to an area of low concentration.
Diffusion.
Osmosis.
Active transport.
Endocytosis.
An area of low concentration to an area of high concentration.
An area of high concentration to an area of low concentration.
An area of equilibrium to an area of high concentration.
An area of low concentration to an area of equilibrium.
An area of low concentration to an area of high concentration.
An area of high concentration to an area of low concentration.
An area of high concentration to an area of equilibrium.
An area of low concentration to an area of equilibrium
Water to move into the cell.
Water to move out of the cell.
Solutes to move into the cell.
Solutes to move out of the cell.