Lecture 2 - Chemistry of Bio (2)

Lecture 2 - Chemistry of Bio (2) - Asp Polypeptides and...

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Chemistry of Life Biomolecules
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Biomolecules Organic molecules Macromolecules 4 classes
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Biomolecules Most are polymers that are built from monomers Polymer Monomer
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Making and Breaking Polymers Chemical mechanisms used to make and break polymers are basically the same for all biomolecules
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Making Polymers Dehydration synthesis
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Breaking Polymers Hydrolysis
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Carbohydrates Functions Structure
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Monosaccharides Single sugars
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Glucose (C 6 H 12 O 6 )
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Disaccharides Double sugars
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Sucrose (C 12 H 22 O 11 )
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Polysaccharides Complex carbohydrates
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Glycogen Mitochondria Giycogen granules 0.5 μ m Glycogen
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Starch Chloroplast Starch 1 μ m
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Cellulose
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Proteins Functions Structure
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Amino Acids Monomer subunit of proteins 20 different amino acids
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Peptides
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Dipeptide
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Polypeptides
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Proteins
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Amino acid subunits o o Gly ProThr Gly Thr Gly Glu Seu Lys Cys Pro Leu Met Val Lys Val Leu Asp AlaVal Arg Gly Ser Pro Ala Gly l e Ser Pro PheHisGlu His Ala Glu Val Val Phe Thr Ala Asn Asp Ser GlyPro Arg Arg Tyr Thr l e Ala Ala Leu Leu Ser Pro Tyr Ser Tyr Ser Thr Thr Ala Val Val Thr Asn Pro Lys Glu Thr Lys Ser Tyr Trp Lys Ala Leu Glu Lle
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Unformatted text preview: Asp Polypeptides and proteins Sickle Cell Disease Nucleic Acids • Two types of nucleic acids • Functions • Structure Nucleotide • Monomer subunit of nucleic acids • Built from three parts: Nucleotides: DNA Nucleotides: RNA base (uracil) phosphate group sugar (ribose) OH OH OH DNA • Polymer of nucleotides • Genes RNA • Polymer of nucleotides ATP • Adenosine triphosphate Lipids • The one class of biomolecules that does not consist of polymers • Three types: – Triglycerides – Phospholipids – Steroids Triglycerides • Fats and oils • Functions • Structure Saturated fatty acids Unsaturated fatty acids cis double bond causes bending Hydrogenated Oils • Partially-hydrogenated oils • Trans-fats Trans Fats Phospholipids • Functions • Structure Phospholipids are amphipathic • Amphipathic Steroids • Functions • Structure...
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This note was uploaded on 04/22/2009 for the course BIO 309D taught by Professor Jessicawandelt during the Spring '08 term at University of Texas at Austin.

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Lecture 2 - Chemistry of Bio (2) - Asp Polypeptides and...

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