|
BIOCHEMISTRY 1
Chapter 13 Membrane Channels and Pumps
<KEY CONCEPTS>
▆ Transport of Molecules across Membrane
▆ Families of Membrane Proteins using ATP Hydrolysis
▆ Specific Channels for Ion Transport across Membranes
Ⅰ. 막 수송(Membrane Transport)
┗━━━━━
|
|
|
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-
|
|
|
Membrane channels
≪ 그 림 ≫
≪ 그 림 ≫
≪ 그 림 ≫
Steps in contraction
1. Action potential of motor neuron
2. Release of acetylcholine at motor end-plate
3. Binding of acetylcholine to acetylcholine receptors
4. Increased permeability of membrane to Na+ & K+
5. Gen
|
|
|
Ch12. Biosignaling (생체신호전달)
1. 신호전달의 일반적인 양상
2. GPCR and second messengers
3. Receptor Tyrosine Kinases
4. Receptor Guanylyl cyclases, cGMP, and Protein Kinase G
5. multivalent adaptor protein and membrane rafts
6. Gated ion channels
7. Integrin
8. steroid hormone에
|
|
|
channels
━━━━━━━━━━─────────
≪ 그 림 ≫
Measuring potential difference between two points in neurons
━━━━━━━━━━─────────
≪ 그 림 ≫
The basis of the resting membrane potential
━━━━
|
|
메뉴펼치기
