cell membrane vocab
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tonicity
How the extracellular fluid can change the water volume via osmosis.
Permeability
The amount of stuff that can go threw plasma
Osmolarity
The measure of how much a substance is dissolved in a solvent
Concentration Gradient
The difference in concentration between two sides of a cell.
Low osmolarity
When there is more water molecules than dissolved solute.
Osmosis
The movement of water molecules from areas of higher to lower concentration.
Impermeable
A condition in which cell membrane doesn’t allow any substances threw.
Isotonic
When the water inside the cell is the same as outside the cell
High osmolarity
When there is less water than dissolved substance
Semi-permeable
A condition that only allows certain substances in the cell membrane and denies others
Fully permeable
A condition that allows all substances in the cell membrane
Hyptonic
water enters cell
Hypertonic
water leaves cell