Contents
Ion channels ion-selective and fluctuate between open and closed states
The membrane potential in animal cells depends mainly on K⁺ leak channels and the K⁺ gradient across the plasma membrane
The resting potential decays only slowly when the Na⁺- K⁺ pump is stopped
The three-dimensional structure of a bacterial K⁺ channel shows how an ion channel can wo
Channel protein
; hydrophilic pore
Ion channel - highly selective pore
open and close
passive transport-diffuse
Nerve cell - Ion channel 이용
Ion channels ion-selective and fluctuate between open and closed states
Ion channel 의 Property
-ion selectivity
-open and close(gate)
Specific stimulus에 의해 open
1. New Trend
Intensification of consumers’ power
consumers’ information is so enlarged
Fusion Marketing Channel
One-stop shopping
Mega concept shop
1) The Definition of Home-Shopping
Home-shopping is defined as a shopping pattern that purchasing the goods or services via direct order by seeing the newspapers, magazines, TV, catalogs, and online network offered by home-shopping
National Geographic Society
33 Intellectuals
Alexander Graham Bell
First Exploration of North Pole
National Geographic Channel
Discovery Communications.
1985, First Air
Discovery Channel Korea
CMB
The most repeated programs are ‘다큐 프라임’ and ‘걸어서 세계속으로’
- 3 times a day, but not in prime-time (ex. 03:00, 06:00, 12:00)
First run in 19:00~23:00,