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This guide explores essential transport mechanisms in cells, including osmosis, facilitated diffusion, and active transport. Through these processes, organisms maintain homeostasis by regulating the movement of water and solutes across the cell membrane. Key concepts such as diffusion, equilibrium, isotonic, hypotonic, and hypertonic environments are discussed, along with the roles of carrier proteins and ATP in active transport. This text serves as a fundamental resource for understanding how cells interact with their environment to ensure balance and proper functioning.
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Helps an organism maintain homeostasis by controlling what enters or leaves the cell
Causes the concentration of molecules to be the same throughout a space
State that exists whenever molecular concentration is the same throughout a space
When the concentration of solutes inside & outside the cells is equal
Solute concentration that causes water to move into the cell
Prefix that refers to a high solute concentration & low water concentration outside the cell
Facilitated diffusion is another example of this type of transport
Direction across the cell membrane that carrier proteins allow movement
This happens to a carrier molecule when it binds with the molecule it’s moving
Point where molecules continue to move without a concentration gradient
