| fast download |
graded potential and action potential full version
graded potential and action potential fast download
graded potential and action potential
graded potential and action potential all files
|
Looking For graded potential and action Let us help you find graded potential and action and more!
------------------------------
|
The best deals for graded potential and action. Find the Best Deals. Shop for graded potential and action now.
------------------------------
|
Shopping for graded potential and action? Shop and compare great deals on graded potential and action and other related products.
------------------------------
|
Find the Best Deals for graded potential and action Find the Best Deals. Shop for graded potential and action now.
------------------------------
|
Looking for graded potential and action? Find graded potential and action Here! Click Here!
------------------------------
|
-------------------------------------------------------
 ACTION POTENTIALS AND GRADED POTENTIALS I. Introduction A. All cells possess a membrane potential related to the non-uniform distribution of, and differential permeability of, Na+, K+ and A-. B. Nerve and muscle are excitable tissue that use this potential by undergoing controlled, transient, rapid changes in membrane potential. Such fluctuations in membrane potential serve as electrical signals. C. Two kinds of such electrical signals 1. Graded potentials are short distance signals 2. Action potentials are long distance signals II. Action Potentials A. Terms (Fig 7.9) 1. Polarization: separation of charges 2. Depolarization: reduction in potential 3. Hyperpolarization: increase in potential 4. Repolarization: return to resting potential B. Events in an Action Potential (Fig 7.13) 1. Occurrence of a triggering event 2. Slow depolarization from -70 mV to -55 mV 3. -55 mV is threshold potential; as soon as it is reached, a very rapid depolarization to +30 mV occurs 4. repolarization then occurs 5. frequently overshoots to -80 mV before repolarizing at -70 mV; this is hyperpolarization 6. in a nerve, this whole process takes 0.001 seconds C. Mechanisms underlying events in Action Potential (Fig 7.13, 7.14) 1. Membrane contains Na+ channels and K+ channels. Both of these are voltage regulated channels, meaning that changes in voltage (i.e., membrane potential) open or close them. 2. At rest (-70 mV) some K+ channels are open, fewer Na+ channels open; the “leaking” of these two ions across membrane balanced by Na-K-ATPase pump (see Topic 3-VI-C-4) 3. As depolarization begins in response to triggering event, the change in voltage causes additional Na+ channels to open 4. Na+ concentration and electrical gradients are INTO cell, so Na+ begins to move into cell 5. This causes more depolarization, which opens more voltage-gated Na+ channels 6. Positive feedback loop established 7. When threshold reached at -55 mV membrane becomes 600 times more permeable to Na+ than K+ because all voltage-gated Na+ channels opened at -55 mV 8. Na+ rushes in, and inside of cell becomes positive (30 mV); note that this is close to the Na+ equilibrium potential 9. Na+ voltage-gated channels close at 30 mV 10. When membrane voltage is 30 mV, K+ voltage gated channels open wide and K+ rushes out of cell down both its concentration and electrical gradient. 11. Positive charges leaving with K+ repolarizes the membrane back to resting potential of -70 mV 12. Relative to the total number of Na+ ions outside neuron very few Na+ ions move into cell during depolarization; likewise, relative to the total number of K+ ions inside neuron, very few K+ ions move out of the cell during repolarization. Biology 251 Fall 2007 2 D. Restoration of Ion Gradients 1. At completion, the resting membrane potential of -70 mV is restored, but concentrations of Na+ and K+ are not. 2. However, very few K+ and Na+ actually cross the membrane during an action potential compared to total amount of these ions available (only about 1 out of 100,000 ions crosses the membrane) so their overall concentration is not changed much. 3. Eventually the original concentrations restored by Na+-K+ ATPase pump. Without this pump, repeated action potentials would eventually erode concentrations of Na+ and K+
Download Powerpoint note here
|
graded potential and action potential
seacrh key: 'graded potential and action potential'
date: Added 27/03/2008
file: ~ graded_potential_and_action_potential.zip from free server
________________
|
JEFF MILLS - BLUE POTENTIAL [DVD] TRACKLISTING 1 Opening
seacrh key: 'JEFF MILLS - BLUE POTENTIAL [DVD] TRACKLISTING 1 Opening'
date: Added 26/03/2008
file: ~ JEFF_MILLS_-_BLUE_POTENTIAL_[DVD]_TRACKLISTING_1_Opening.zip from free server
________________
|
Unleash the full potential of your Internet Connection By
seacrh key: 'Unleash the full potential of your Internet Connection By'
date: Added 22/04/2008
file: ~ Unleash_the_full_potential_of_your_Internet_Connection_By.zip from free server
________________
|
Once Upon A Time in High School (Korean action movie)
seacrh key: 'Once Upon A Time in High School (Korean action movie)'
date: Added 26/03/2008
file: ~ Once_Upon_A_Time_in_High_School_(Korean_action_movie).zip from free server
________________
|
The Potential Breakup Song[Radio Rip]
seacrh key: 'The Potential Breakup Song[Radio Rip]'
date: Added 26/03/2008
file: ~ The_Potential_Breakup_Song[Radio_Rip].zip from free server
________________
|
Death Note - Live Action RMVB DVDRip Legendado.
seacrh key: 'Death Note - Live Action RMVB DVDRip Legendado.'
date: Added 26/03/2008
file: ~ Death_Note_-_Live_Action_RMVB_DVDRip_Legendado..zip from free server
________________
|
Gangster High (Korean action movie)
seacrh key: 'Gangster High (Korean action movie)'
date: Added 26/03/2008
file: ~ Gangster_High_(Korean_action_movie).zip from free server
________________
|
Death Note Live Action Movie
seacrh key: 'Death Note Live Action Movie'
date: Added 22/04/2008
file: ~ Death_Note_Live_Action_Movie.zip from free server
________________
|
Death Note (Live Action Movie)
seacrh key: 'Death Note (Live Action Movie)'
date: Added 23/04/2008
file: ~ Death_Note_(Live_Action_Movie).zip from free server
________________
|
Descargar Death Note Live Action 1 DVDRip
seacrh key: 'Descargar Death Note Live Action 1 DVDRip'
date: Added 17/04/2008
file: ~ Descargar_Death_Note_Live_Action_1_DVDRip.zip from free server
________________
|
Aly and AJ - Potential Breakup Song
seacrh key: 'Aly and AJ - Potential Breakup Song'
date: Added 26/03/2008
file: ~ Aly_and_AJ_-_Potential_Breakup_Song.zip from free server
________________
|
This ain t my full potential, I m only using
seacrh key: 'This ain t my full potential, I m only using'
date: Added 26/03/2008
file: ~ This_ain_t_my_full_potential,_I_m_only_using.zip from free server
________________
|
Death Note (Live-action) Download
seacrh key: 'Death Note (Live-action) Download'
date: Added 29/03/2008
file: ~ Death_Note_(Live-action)_Download.zip from free server
________________
|
Hot Lesbian Action. Image Gallery 17
seacrh key: 'Hot Lesbian Action. Image Gallery 17'
date: Added 17/04/2008
file: ~ Hot_Lesbian_Action._Image_Gallery_17.zip from free server
________________
|
Aly AJ - Potential Break-Up Song
seacrh key: 'Aly AJ - Potential Break-Up Song'
date: Added 17/04/2008
file: ~ Aly_AJ_-_Potential_Break-Up_Song.zip from free server
________________
|
Descargar: Death Note Live Action 1
seacrh key: 'Descargar: Death Note Live Action 1'
date: Added 18/04/2008
file: ~ Descargar:_Death_Note_Live_Action_1.zip from free server
________________
|
Counter-Strike is the 1 online action game in the world.
seacrh key: 'Counter-Strike is the 1 online action game in the world.'
date: Added 18/04/2008
file: ~ Counter-Strike_is_the_1_online_action_game_in_the_world..zip from free server
________________
|
Clubbing and Music Forums - I like ... - Potential new
seacrh key: 'Clubbing and Music Forums - I like ... - Potential new'
date: Added 08/04/2008
file: ~ Clubbing_and_Music_Forums_-_I_like_..._-_Potential_new.zip from free server
________________
|
free action games Portal (2007)
seacrh key: 'free action games Portal (2007)'
date: Added 26/03/2008
file: ~ free_action_games_Portal_(2007).zip from free server
________________
|
Natasha Bedingfield has a potential hit-single
seacrh key: 'Natasha Bedingfield has a potential hit-single'
date: Added 29/03/2008
file: ~ Natasha_Bedingfield_has_a_potential_hit-single.zip from free server
________________
|
Aly Aj - Potential Break Up Song
seacrh key: 'Aly Aj - Potential Break Up Song'
date: Added 26/03/2008
file: ~ Aly_Aj_-_Potential_Break_Up_Song.zip from free server
________________
|
Janet Jacksons potential hit-single
seacrh key: 'Janet Jacksons potential hit-single'
date: Added 26/03/2008
file: ~ Janet_Jacksons_potential_hit-single.zip from free server
________________
|
Stars In Action Part One (2007) DVDRip
seacrh key: 'Stars In Action Part One (2007) DVDRip'
date: Added 26/03/2008
file: ~ Stars_In_Action_Part_One_(2007)_DVDRip.zip from free server
________________
|
Britney Spears has a potential hit-single
seacrh key: 'Britney Spears has a potential hit-single'
date: Added 29/03/2008
file: ~ Britney_Spears_has_a_potential_hit-single.zip from free server
________________
|
Air Strike 3D the most action game
seacrh key: 'Air Strike 3D the most action game'
date: Added 18/04/2008
file: ~ Air_Strike_3D_the_most_action_game.zip from free server
________________
|
Photoshop Action - Big Picture
seacrh key: 'Photoshop Action - Big Picture'
date: Added 30/03/2008
file: ~ Photoshop_Action_-_Big_Picture.zip from free server
________________
|
DEATH NOTE (Live Action)
seacrh key: 'DEATH NOTE (Live Action)'
date: Added 27/03/2008
file: ~ DEATH_NOTE_(Live_Action).zip from free server
________________
|
Amateur Action Thread!
seacrh key: 'Amateur Action Thread!'
date: Added 18/04/2008
file: ~ Amateur_Action_Thread!.zip from free server
________________
|
Star Wars:The Clone Wars Live Action
seacrh key: 'Star Wars:The Clone Wars Live Action'
date: Added 17/04/2008
file: ~ Star_Wars:The_Clone_Wars_Live_Action.zip from free server
________________
|
Singles Going Single 21 - Catherine 7 (1991, Limited Potential)
seacrh key: 'Singles Going Single 21 - Catherine 7 (1991, Limited Potential)'
date: Added 26/03/2008
file: ~ Singles_Going_Single_21_-_Catherine_7_(1991,_Limited_Potential).zip from free server
________________
|
Great photoshop action
seacrh key: 'Great photoshop action'
date: Added 18/04/2008
file: ~ Great_photoshop_action.zip from free server
________________
|
Real Set Action DVDRip
seacrh key: 'Real Set Action DVDRip'
date: Added 04/04/2008
file: ~ Real_Set_Action_DVDRip.zip from free server
________________
|
Death Note Live Action
seacrh key: 'Death Note Live Action'
date: Added 29/03/2008
file: ~ Death_Note_Live_Action.zip from free server
________________
|
Death Note - Live Action
seacrh key: 'Death Note - Live Action'
date: Added 17/04/2008
file: ~ Death_Note_-_Live_Action.zip from free server
________________
|
The Out Four, where the action was !!
seacrh key: 'The Out Four, where the action was !!'
date: Added 19/04/2008
file: ~ The_Out_Four,_where_the_action_was_!!.zip from free server
________________
|
Filme : DEATH NOTE - LIVE ACTION
seacrh key: 'Filme : DEATH NOTE - LIVE ACTION'
date: Added 22/04/2008
file: ~ Filme_:_DEATH_NOTE_-_LIVE_ACTION.zip from free server
________________
|
Ebooks,Appz :: How to Value Your Business and Increase Its Potential
seacrh key: 'Ebooks,Appz :: How to Value Your Business and Increase Its Potential'
date: Added 19/04/2008
file: ~ Ebooks,Appz_::_How_to_Value_Your_Business_and_Increase_Its_Potential.zip from free server
________________
|
The Effective Crystal Field Potential
seacrh key: 'The Effective Crystal Field Potential'
date: Added 31/03/2008
file: ~ The_Effective_Crystal_Field_Potential.zip from free server
________________
|
Jeff Mills, Blue Potential Dvd+cd (2006)
seacrh key: 'Jeff Mills, Blue Potential Dvd+cd (2006)'
date: Added 17/04/2008
file: ~ Jeff_Mills,_Blue_Potential_Dvd+cd_(2006).zip from free server
________________
|
Curso Completo de Action Script
seacrh key: 'Curso Completo de Action Script'
date: Added 08/04/2008
file: ~ Curso_Completo_de_Action_Script.zip from free server
________________
|
I 39;m Back... More Of Me In Action
seacrh key: 'I 39;m Back... More Of Me In Action'
date: Added 29/03/2008
file: ~ I_39;m_Back..._More_Of_Me_In_Action.zip from free server
________________
|
SWEET - Solid Gold Action
seacrh key: 'SWEET - Solid Gold Action'
date: Added 26/03/2008
file: ~ SWEET_-_Solid_Gold_Action.zip from free server
________________
|
Trance Action Vol.1
seacrh key: 'Trance Action Vol.1'
date: Added 26/03/2008
file: ~ Trance_Action_Vol.1.zip from free server
________________
|
some cool action games
seacrh key: 'some cool action games'
date: Added 18/04/2008
file: ~ some_cool_action_games.zip from free server
________________
|
Some action from the last week or so
seacrh key: 'Some action from the last week or so'
date: Added 21/04/2008
file: ~ Some_action_from_the_last_week_or_so.zip from free server
________________
|
| |