| Term 
 
        | How many different amino acids are there? |  | Definition 
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        | Term 
 
        | Are all amino acids alpha or beta? why? |  | Definition 
 
        | alpha, b/c all amine groups are attached to the alpha carbons |  | 
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        | Term 
 
        | What does it mean for an amino acid to be aliphatic? |  | Definition 
 
        | Does not contain aromatic ring on side chain |  | 
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        | Term 
 
        | What are the aliphatic amino acids? |  | Definition 
 
        | Glycine, Alanine, Valine, Leucine, Isoleucine |  | 
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        | Term 
 
        | How many isoforms of threonine are there and who discovered them? |  | Definition 
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        | Term 
 
        | Which amino acid contains a thioether? |  | Definition 
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        | Term 
 
        | Which amino acid contains a monocarboxylic diamino? |  | Definition 
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        | Term 
 
        | Which amino acid contains an indole ring? |  | Definition 
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        | Term 
 
        | Which amino acid contains a heterocyclic ring and an imadazole ring? |  | Definition 
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        | Term 
 
        | How large (usually) is a disulfide linkage? |  | Definition 
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        | Term 
 
        | In titration what is the Pi zone? |  | Definition 
 
        | The zone where the compound has a zero net charge |  | 
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        | Term 
 
        | Which is the smallest of all gamma globulins? |  | Definition 
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        | Term 
 
        | When two compounds are found in equal concentrations in solution how is this represented? |  | Definition 
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        | Term 
 
        | Which amino acid contains a sulfhydro group?   |  | Definition 
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        | Term 
 | Definition 
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        | Term 
 
        | What are the essential amino acids? |  | Definition 
 
        | Phenylalanine, Valine, Threonine, Tryptophan, Isoleucine, Methionine, Histidine, Arginine, Leucine, Lysine |  | 
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        | Term 
 
        | Which essential amino acids will humans begin to be able to synthesize as they mature? |  | Definition 
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        | Term 
 | Definition 
 
        | 
PiMolecules with the same number of ionizable groups and therefore have no net charge |  | 
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        | Term 
 
        | How is the pK value defined? |  | Definition 
 
        | The point at which equal amts of two forms exist in solution |  | 
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        | Term 
 | Definition 
 | 
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        | Term 
 | Definition 
 
        | Amino peptidase, Carboxy peptidase |  | 
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