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Charge

Charge

1. (Science: physics) a fundamental physical attribute of a particle, which characterises the particles electromagnetic interaction with other particles and with electric and magnetic fields.

2. Storing energy in a battery or electric capacitor by running a current through it, opposite of discharge. (It is possible to charge most capacitors in either direction, but batteries charge one way, and discharge in the other.)


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Re: Enzymes and activation energy.

... that is of concern here, it is the electrostatic topology of the active site. Areas of higher or lower electron density relative to the nuclear charge in that region lead to binding or repulsion of substrate molecule(s) and make groups more or less reactive. Changing local electron density directly ...

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by jonmoulton
Wed Jul 08, 2009 3:25 pm
 
Forum: Molecular Biology
Topic: Enzymes and activation energy.
Replies: 4
Views: 382

Re: Speciation among primates and hominids

... and as modern mutations would still be around. They would have to keep separating over and over again as if there was an unseen breeder in charge, and then would we have an entirely different phylum one day? At one point an inverbrate started having a useless beginning of a spine that would ...

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by AFJ
Sat Jul 04, 2009 3:42 pm
 
Forum: Evolution
Topic: Speciation among primates and hominids
Replies: 12
Views: 373

Biology is not a science

... know exactly what an atom or a quark is either - does that mean physics and chemistry aren't science? physicts not know what matter is or what charge is etc science as a concept itself is just an ideological notion anyway scientists have the same problem with the term "science" as ...

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by gamila
Mon Jun 08, 2009 3:01 pm
 
Forum: General Discussion
Topic: Biology is not a science
Replies: 44
Views: 1359

Any SOLID arguments against evolution?

... explanation in this hypothesis. However from my standpoint, I see cell division as the glory of God! I am pretty sure the mitochondria are in charge of themselves, as far as DNA goes. I have not read much detail about how this works in cell division, but just throwing some thoughts out there, ...

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by alextemplet
Thu May 21, 2009 1:50 am
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 106
Views: 16656

pI's of 2 proteins

... So to sep them out we used a pH of 7.6 and collected a sample and then used a pH and of 9 and collected sample 2. So now I have to comment on the charge properties and likely pI's of (cytochrome C and haemoglobin).. CM contains a negative charge right? So that means in order for those 2 proteins ...

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by biology_06er
Tue May 05, 2009 4:08 am
 
Forum: General Discussion
Topic: pI's of 2 proteins
Replies: 0
Views: 211
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