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Amino Acid terms 1

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Amine group   functional group that contains a basic nitrogen atom with a lone pair.  
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Backbone   for amino acids it is the amine group and carboxylic acid group along with the alpha carbon. It will be the same for each of our amino acids.  
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Carbon   one of the key elements that make up an amino acid.  
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Carboxylic acid   characterized by the presence of at least one carboxyl group. The general formula is R-COOH, where R is some functional group.  
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Elements   consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.  
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Hydrogen   one of the key elements that make up an amino acid.  
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Molecules   two or more atoms that are bound to each other.  
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Nitrogen   one of the key elements that make up an amino acid.  
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Oxygen   one of the key elements that make up an amino acid.  
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Protein   A molecule composed of amino acids joined together by peptide bonds. Components include nitrogen, carbon, hydrogen, oxygen, sulfur, and sometimes phosphorus.  
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Side-chain   a chemical or functional group that is attached to a core part of a molecule called the backbone. It is also called the R-group.  
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