Page 226 - Color Atlas of Biochemistry

Biological membranes 217

A. Functions of membranes

S
A B

3
2 4
1 5
A+B
A B C+D
6

Boundary Controlled Signal re- Enzymatic Contact Anchor
metabolite ception and reactions with for cyto-
transport transmission other cells skeleton

B. Composition of membranes

Membrane components Relative proportion of lipids

Nerve cell: Plasma membrane

Erythrocyte: Plasma membrane

* *
*
*

*
* *

Cardiolipin
Liver cell: Plasma membrane

Mitochondrion
Inner membrane Both membranes
Phosphatidyl- *
Lipids choline
Phosphatidyl- Glycolipids
Carbohydrates serine *
Phospholipids
Phosphatidyl- Cholesterol
Proteins ethanolamine *
Sphingomyelin * Other lipids

Koolman, Color Atlas of Biochemistry, 2nd edition © 2005 Thieme
All rights reserved. Usage subject to terms and conditions of license.