What is diffusion?
Diffusion requires no energy expenditure in order to occur.
Diffusion always occurs at the same rate.
How are we able to affect the rate that diffusion occurs?
Why is diffusion important to the functioning of our cells?
Move the items into the correct category based on the effect they have on diffusion.
Decreased temperature
Increased pressure
Low concentration
Increased temperature
High concentration
Diffusion occurs faster
Diffusion occurs slower
Which term describes the movement of water across a semipermeable membrane?
Which type of solution has a higher solute concentration than the cell?
During osmosis, water moves from an area of ________ concentration to an area of _______ concentration.
What is osmosis?
Osmosis is the movement of water molecules from an area of low concentration to high concentration.
Osmosis is a type of passive transport that occurs without the need for energy.
Active transport does not require energy.
Where does the energy for active transport most often come from?
Explain why active transport is important.
moves large particles into a cell.
moves large particles out of the cell.
In active transport, molecules move from an area of ___ concentration to ____ concentration.
Which transport mechanism uses carrier proteins to move molecules?