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Stuff about proteins

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Question
Answer
What makes up protein?   Amino Acids  
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What makes up the "backbone" of an amino acid?   A carboxylic acid group, an amine group, a hydrogen and the side chain.  
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What makes amino acids different?   The R side chain.  
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When do we see a peptide bond?   Two amino acids bond together  
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What does a peptide chain mean?   Amino acids bond together over and over again.  
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What is an amino acid residue?   Amino acids that are incorporated into the peptide chain.  
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Primary structure of a protein is   The sequence of amino acids.  
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Secondary structure is   The shape of the polypeptide chain.  
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Types of secondary structure   a-helix and b-strand  
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Tertiary structure is   The overall three-dimensional arrangement of the protein.  
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Quaternary structure is   The orientation of different polypeptide chains with respect to each other.  
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