introduction to proteins what are some foods with proteins?
TRANSCRIPT
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Introduction to Proteins
•What are some foods with proteins?
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PROTEINSOne or more polypeptides, which are polymers of amino acids Functions:
1. Support 2. Enzymes 3. Transport 4. Defense5. Hormones 6. Motion
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Amino Acids
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20 Amino Acids
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What is Phenylalanine? Is it bad for you?
• Coke Can, Yogurt, Mints
Phenylketonuria (PKU)Amino acid called phenylalanine
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Does eating turkey make you sleepy?
• Tryptophan- Amino Acid
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Peptides • Check out foldable
• Peptide bond
• Between C and N - Polarity
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Protein Definitions
• Peptide
• Polypeptide– Avg. human _____
• Protein
– Hemoglobin
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Protein Structure
• Primary Structure-• Secondary Structure-– Alpha helix– Beta sheet– (hydrogen bonds -dots)
• Tertiary Structure • Quaternary Structure
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R Group
• Nonpolar • Polar • Ionized • Protein Folding Lab
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Tests for Proteins
• Biurets Test
are
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Hydrogen Bonds in Protein Secondary Structure:
Denaturation of Proteins (pH & Heat)
• Review Hydrogen Bonds: http://www.youtube.com/watch?v=LK7ERiCy5b8
- Hair Straightener: - http://www.youtube.com/watch?v=Zf-
g4k7ZIjA
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Keratin ( Hair Protein)
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NUCLEIC ACIDS
Polymers of Nucleotides• DNA • RNA
• ATP
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Nucleotides
• 3 parts 1. 2. 3.
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DNA vs. RNA Pentose Sugar
- DNA- - RNA-
Nitrogen Base - DNA - RNA
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Monomer Polymer ( DNA, RNA)
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Sugar Phosphate Backbone
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ATP
• Adenosine Triphosphate
1. 2. 3.
ATP ADP