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Charges

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: Are carbohydrates hydrophobic?

... "dipoles". This is due to the unbalanced charge of electrons in either part of the molecule. Remembering the principle that opposite charges are attracted, polar molecules have a weak attraction to other polar molecules. Water is a polar molecule, so a molecule of the same kind can ...

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by HectorEnriquezC
Fri Aug 30, 2013 1:36 am
 
Forum: Molecular Biology
Topic: Are carbohydrates hydrophobic?
Replies: 7
Views: 13970

Finding the net charge of amino acid

What? This is about amino acid's charges, not electrophoresis.

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by JackBean
Mon Jul 08, 2013 12:13 pm
 
Forum: Molecular Biology
Topic: Finding the net charge of amino acid
Replies: 19
Views: 51229

Finding the net charge of amino acid

list the prononizable groups, find their pKa and define their charge at desired pH. Then just sum the charges and you get your result.

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by JackBean
Wed May 29, 2013 1:56 pm
 
Forum: Molecular Biology
Topic: Finding the net charge of amino acid
Replies: 19
Views: 51229

Blue Blood For A Science Project

... Franklin inadvertently caused throughout the physics and electrical engineering communities when he named the positive and negative electrical charges backwards, although he had logical reasons for doing it that way. Electricity was all just fine until J.J. Thompson discovered the electron ...

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by ojomikse
Thu Sep 27, 2012 12:34 pm
 
Forum: Human Biology
Topic: Blue Blood For A Science Project
Replies: 13
Views: 5679

Re: Body's electrical current

... is Hyper-function and check your parathyroid hormone levels. These 2 apparently, cause you not to excrete Na+ and can result in the electrical charges you produce not ending as they would in a normal human being. I hope you are lucky and can just have fun with it. However, be careful, it can ...

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by Fledgling
Sat Aug 04, 2012 5:31 am
 
Forum: General Discussion
Topic: Body's electrical current
Replies: 40
Views: 65681
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