CONCENTRATION
PHOSPHOLIPIDS
TRANSPORT
DIFFUSION
MEMBRANE
PROTEINS
PASSIVE
OSMOSIS
ACTIVE
HIGH
LOW
T
R
A
N
S
P
O
R
T
E
X
H
A
M
W
B
M
P
O
H
I
J
X
Y
O
A
N
F
M
W
M
N
B
H
S
Y
A
A
J
T
T
L
D
A
O
I
E
O
N
O
M
U
E
H
O
Q
O
O
P
Y
O
S
M
I
U
S
O
Z
I
G
E
K
W
U
E
R
I
F
B
T
O
P
S
E
E
I
U
S
L
A
V
U
N
G
R
A
M
H
I
S
E
H
K
V
I
S
I
Y
O
O
A
R
Q
O
S
Y
E
M
J
Z
A
E
A
N
I
O
N
T
U
L
O
D
L
E
R
U
L
V
D
T
S
A
E
N
E
I
K
M
U
R
X
Y
O
I
O
Z
U
I
A
E
E
P
Z
W
O
U
P
I
W
S
W
O
F
H
L
C
U
I
T
H
U
E
I
S
J
S
E
H
F
J
R
N
O
D
O
M
E
A
O
I
O
A
I
Q
I
J
O
O
O
S
B
E
S
Z
B
O
U
P
N
S
D
A
U
C
O
A
A
O
G
N
Z
A
C
T
I
V
E
I
A
U
P
R
O
T
E
I
N
S
R
D
M
J
P
J
J
V
