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A-v dissociation

A-v dissociation --> atrioventricular dissociation

Any situation in which atria and ventricles are activated and contract independently, as in [[complete A-v block]], more specifically, the dissociation between atria and ventricles that results from slowing of the atrial pacemaker or acceleration of the ventricular pacemaker at nearly equal (rarely equal) rates, each depolarising its own chamber, thus interfering with depolarisation by the other (interference-dissociation).


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Re: Interactions between genes: in cancer and normal cells.

... whats a 'normal' cell...because not all normal cells produce this protein, so you want to know this too. As I understand it, to calculate the Kd (dissociation constants), you need to know the concentration of both proteins in your normal cell. Sorry by my english. thats fine, keep at it! Finally, ...

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by merv
Mon Oct 03, 2011 2:41 am
 
Forum: Genetics
Topic: Interactions between genes: in cancer and normal cells.
Replies: 2
Views: 5694

Interactions between genes: in cancer and normal cells.

every interaction is in equilibrium quatified by dissociation constant K_D, so it depends on the levels of both proteins and on the K_D ;)

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by JackBean
Thu Aug 25, 2011 9:04 pm
 
Forum: Genetics
Topic: Interactions between genes: in cancer and normal cells.
Replies: 2
Views: 5694

Urea/EDTA treatment

Q. Urea or EDTA treatment of membranes leads to the dissociation of: 1) Peripheral proteins 2) Integral proteins 3) Cholesterol molecules 4) Phospholipids I don't have any understanding of Urea/EDTA treatment of membranes. I have never come across ...

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by Adz795
Fri Jun 17, 2011 6:13 pm
 
Forum: Cell Biology
Topic: Urea/EDTA treatment
Replies: 1
Views: 1986

What is responsible for converting H2CO3 to HCO3- and H+ ...

... of the reactants, thus if you add H+, you increase the association, but that will increase concentration of H2CO3 and thus the speed of dissociation etc. untill new equilibrium is reached.

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by JackBean
Wed May 11, 2011 6:41 am
 
Forum: General Discussion
Topic: What is responsible for converting H2CO3 to HCO3- and H+ ...
Replies: 8
Views: 32537

Re: What is responsible for converting H2CO3 to HCO3- and H+ ...

I haven't take AP chemistry yet, but am still curious about this dissociation. How exactly is H2CO3 pH dependent? If a solution becomes more alkaline, what would instigate the dissociation of H2CO3 into H+ and H2CO3-?

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by NeedsAPbiohelp
Sun May 08, 2011 7:29 pm
 
Forum: General Discussion
Topic: What is responsible for converting H2CO3 to HCO3- and H+ ...
Replies: 8
Views: 32537
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