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Amino acids and HW 1

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Question
Answer
Four groups of biomolecules   show
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zwitter ions   show
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show carbon with 4 different substituents bound to it  
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enantiomers   show
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2 laws of thermodynamics   show
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4 non-covalent (weak) interactions in aqueous solution   show
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5 groups of the 20 amino acids   show
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show 1) glycine 2) alanine 3) proline 4)Valine 5)leucine 6) Isoleucine 7)methionine  
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Nonpolar, aliphatic R group characteristics   show
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show 1) serine 2) Threonine 3) Cysteine 4) Asparagine 5) Glutamine  
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2 amino acids that have sulfur in them   show
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show 1) phenylalanine (non polar) 2) Tyrosine (polar) 3) Tryptophan (non polar)  
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Positively charged R groups (aa) (3)   show
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Negatively charged R groups (aa) (2)   show
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show 1) methylation 2) Phosphorylation 3) Carboxylation 4) Hydroxylation  
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Selenocysteine   show
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Citrulline and Ornithine   show
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Carnitine   show
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show metabolite that is an intermediate energy storage compound in skeletal muscle  
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show any two molecules with the same molecular formula but a different arrangement of molecular groups  
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Conformation   show
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show Compounds that have the same composition and the same order of atomic connections but different molecular arrangements  
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show The spatial arrangement of an organic molecule that is conferred by the presence of either (1) double bonds, about which there is no freedom of rotation, or (2) chiral centers, around which substituent groups are arranged in a specific sequence.  
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Diastereomers   show
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Glycine Characteristic   show
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show R and alpha aimno group form a ring---impacts conformation of protien.  
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Polar uncharged R group characteristics   show
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show large, bulky aa that have aromatic rings---absorption maximum at 280nm---important for Protien biochemistry  
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Tyrosine and Tryptophan characteristic   show
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show Basic aa that can form Ionic bonds  
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show pKr > 7.0  
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Histidine characteristic   show
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show Acidic (pKr low) aa that form ionic bonds--- "-ate": deprotonated organic acid  
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4 abbreviations that are not the first 3 letter of the aa   show
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How do you find neutral aa pI?   show
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How do you find Acidic aa pI?   show
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How do you find Basic aa pI?   show
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condensation   show
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show pulling apart --- catalyzed by proteases/ peptidases  
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show formed through condensation of carboxyl and amino groups --- called peptide bone on amino acid polymers  
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Peptide bond   show
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oligopeptide   show
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Polypeptide Mw?   show
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Protien Mw?   show
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show amino acid that is next to the N-terminus  
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Tripeptide mad up of?   show
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