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Valency

Definition

noun

(biology, immunology) The relative capability of a substance (e.g. antibody) to act upon, react, or bind with a biological substrate (e.g. antigen).

(chemistry) A property of atom or radical that indicates its combining power, especially in terms of the number of hydrogen atoms.

(chemistry) The condition, status or phenomenon of forming chemical bonds.


Supplement

Word origin: Latin valentia (strength)

Synonym: valence


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Neurobiology Questions

... the membrane at that voltage. This information can be used to calculate changes in membrane ___________. A. conductance; current B. current; valency C. conductance; voltage D. current; conductance 9. Each Shaker potassium channel is formed by _______________ and each voltage-gated sodium ...

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by biol245
Fri Sep 24, 2010 2:29 pm
 
Forum: Cell Biology
Topic: Neurobiology Questions
Replies: 0
Views: 3880

Any SOLID arguments against evolution?

... problem with this thinking is that it doesn't prove anything, because there are limits to how living cells put things together. The question of valency was mentioned previously, and this in itself should allow a large percentage of those "possibilities" to be thrown out the window. ...

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by alextemplet
Tue Jun 02, 2009 4:50 pm
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 309
Views: 533596

Re: Any SOLID arguments against evolution?

I'm going to assume you don't know what "valency" means, because hydrogen does not have a lot of valency! It can only bond to one other atom. Thats why I said the last 4 have more valency--I did not include hydrogen. It might comfort ...

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by AFJ
Mon Jun 01, 2009 1:41 am
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 309
Views: 533596

Re: Any SOLID arguments against evolution?

... atoms out of their amino acid arrangements, they could bond a vast number of ways, I mean it's all H, C, O, N, and S, the last 4 having alot of valency. A vast number of ways yes, but i think that you think it is much more than it is, you haven't taken into account polar bonds(of which there ...

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by futurezoologist
Mon Jun 01, 2009 12:35 am
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 309
Views: 533596

Any SOLID arguments against evolution?

... there weren't, I'd expect my last course in organic chem would've been much simpler! I mean it's all H, C, O, N, and S, the last 4 having alot of valency. I'm going to assume you don't know what "valency" means, because hydrogen does not have a lot of valency! It can only bond to one ...

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by alextemplet
Sun May 31, 2009 10:36 pm
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 309
Views: 533596
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