Post on 09-Jan-2016
description
Function and structure of bioomembranes
biomembranes A B C D E F
15%-20%(lipid)1234
1216183 Glycerophospholipids
Glycosphingolipids
2030%
peripheral protein
integral protein 70-80%
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simple diffusion) facilitated diffusion1)23
active transport123-
Na+-K+ ATPase Na-K Na-K-ATP22Na-K-ATP
Na+,K+; K+,Na+
phagocytosis
DNA
ligand
I
G-
: DNA
GG GTPGTPGDP GDPGTP
G7-
cAMP-PKA cAMPAprotein kinase A,PKA
1 2 ()A(PKA)
GTP/GDPG
AC
cAMP
PKA
C(protein kinase CPKC) (diglycerideDG)C (DG) GCC(PIP2)(IP3)DG
DGPKCPKC(DNANaKATP)
()IP3-Ca++/CaM IP3Ca2+
IP3Ca2+ Ca2+ Ca2+ Ca2+(CaM)CaM Ca2+Mg2+ATP
IP3
-
DNA DNA
DNA