Cell transport Flashcards
1
Q
Passive transport
A
Type of transport that does not require energy to occur
2
Q
Diffusion
A
It is the movement of particles fro a region of high concentration to an region of low concentration, until the concentration becomes equal throughout a space.
3
Q
Active transport
A
Type of transport that requires an input of energy to occur. Substances move against the concentration gradient, from a region of low concentration to a region of high concentration
4
Q
What helps substances cross the cell membrane during facilitated diffusion?
A
Proteins
5
Q
alternative name for cellular membrane
A
phospholipid bi-layer
