Amino Acids

It's time to start learning about all the monomers that make up large biomolecules, and the first one we will look at is the amino acid. These make up proteins, which is most of what you are, so this is pretty important stuff!
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Nitrogen has 4 orbitals and 5 electrons in its valence shell. Since each orbital can hold at max 2 electrons, N has one full orbital and 3 orbitals w/ 1 electron each (these are the ones that make bonds so that N 'feels like' it has a full (8 electrons) valence shell. The orbital that is already full is that lone pair and since it has a partial negative charge, that makes it slightly basic because that partial negative charge can attract and hold onto a positive H+ ion.

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