Dictionary » E » Electrons



stable elementary particles having the smallest known negative charge, present in all elements; also called negatrons. Positively charged electrons are called positrons. The numbers, energies and arrangement of electrons around atomic nuclei determine the chemical identities of elements. Beams of electrons are called cathode rays or beta rays, the latter being a high-energy biproduct of nuclear decay.

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... succeeding it. 'Reaction' being any event that happens because of the laws of nature (a physical, chemical or biological interaction of photons, electrons, atoms, or molecules and such). You appear to be talking about laws of science , philosophers distinguish these from laws of nature . Whether ...

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by ughaibu
Thu Oct 24, 2013 8:57 am
Forum: Cell Biology
Topic: Do We Have The Freedom Of Choice?
Replies: 27
Views: 18617

Re: Is complexity inevitable?

... I don't know if we're certain of indeterminacy, or if indeterminacy is merely what is suggested by the apparent randomness of small particles like electrons (and photons :?: ). But back to biology . Have you considered that the human niche is actually a collection of niches? Most organisms cannot ...

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by wildfunguy
Fri Oct 18, 2013 1:55 am
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 4700

Re: Are carbohydrates hydrophobic?

... molecules, according to “Carbohydrates (1)”. Polar means that the molecules have "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 ...

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by HectorEnriquezC
Fri Aug 30, 2013 1:36 am
Forum: Molecular Biology
Topic: Are carbohydrates hydrophobic?
Replies: 7
Views: 12178

Please comment this theory, is this theory correct?

Thank you for your answer. 1) I wonder how it is possible then that ascorbic acid can lose 2 electrons and then have 2 free radicals at the same time. 2) The water is everywhere, but the idea is that DNA is hydrophobic so it pushes the water away. However, when it divides, ...

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by schang1984
Thu Aug 15, 2013 4:12 pm
Forum: Cell Biology
Topic: Please comment this theory, is this theory correct?
Replies: 5
Views: 2665


hydrophilic - with ionic groups or polar bonds (those with unbalanced electrons) hydrophobic - those with nonpolar groups (or symmetric polar bonds as in CO2)

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by JackBean
Mon Jun 24, 2013 1:33 pm
Forum: Molecular Biology
Topic: Hydrophilic/hydrophobic
Replies: 2
Views: 2115
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