Transport across cell membranes
Which type of transport
requires ATP?
Why?
Which type of transport
requires carrier proteins?
Passive
transport
Diffusion
Facilitated
Diffusion
What is transported?
What is transported?
How does it happen?
How does it happen?
Proteins in the cell membrane are often involved in transport across the
membrane.
Channel proteins provide channels for ions to diffuse through.
Carrier proteins interact with the molecule being transported.
A
B
C
What do the diagrams show?
A
B
C
D
D