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22 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What 4 elements do proteins contain?
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Carbon, Oxygen, Hydrogen and Nitrogen
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What monomer is the building block of a protein?
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Amino Acid
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What are the 4groups in an amino acid?
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Carboxyl (Acid), Hydrogen, Remainder (variable), Amine
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What is H2N?
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the Amine group
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What is COOH?
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the Carboxyl (acid) group
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How many different acids& 'R' groups are there?
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20
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What is a protein polymer?
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2 amino acids joined together with Dehydration Synthesis
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What 2groups join together in dehydration synthesis of a protein?
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Acid group and Amino group
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What bond joins 2 amino acids together?
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Peptide bond
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Is a peptide bond polar or non-polar?
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Polar
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Name of 2 amino acids, but only one bond?
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Dipeptide
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Name of up to 20 amino acids joined together?
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Polypeptide
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Approx. how many amino acids make up a protein?
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75
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What are the 4 levels of protein structure?
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Primary, Secondary, Tertiary, Quaternary
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What is the primary structure?
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sequence of amino acids joined with peptide bonds in a straight line.
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What is secondary structure?
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Alpha helix or pleated beta sheet.
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How is the secondary structure shape maintained?
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Hydrogen bonds
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What is Tertiary structure?
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3-dimensional shape.
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What is Quaternary structure?
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more than one polypeptide chain.
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ex. Hemoglobin and enzymes
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What is important to a proteins function?
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the shape
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What is Denaturation?
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destroys a proteins shape.
destroys the normal bonding between R groups |
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What can cause Denaturation?
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Extreme temperature, change in pH, radiation, and heavy metals (lead)
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