Cell Transport Flashcards
1
Q
What is diffusion?
A
Movement of molecules from high concentration to low concentration down concentration gradient
2
Q
What are the factors affecting diffusion?
A
Surface area
Concentration
Temperature
Volume
3
Q
What is active transport?
A
Movement of molecules from low concentration to low concentration
4
Q
What affects active transport?
A
Energy
5
Q
What happens in active transport?
A
Cell membrane contains carrier proteins
Carrier proteins span cell membrane and let ions enter/ leave by active transport
