macromolecules
TRANSCRIPT
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Macromolecules (pg 4)
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Macromolecules (pg 4)
• Large molecules. Made of subunits.
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1. Carbohydrates• Subunits = Sugars
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Carbohydrates• Subunits = Sugars• Contain C,H,O arranged in rings
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Carbohydrates• Subunits = Sugars• Contain C,H,O arranged in rings• Examples:– Monosaccharides: Glucose, Fructose
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Carbohydrates• Subunits = Sugars• Contain C,H,O arranged in rings• Examples:– Monosaccharides: Glucose, Fructose– Disaccharides: Sucrose (table sugar), Lactose
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Carbohydrates• Subunits = Sugars• Contain C,H,O arranged in rings• Examples:– Monosaccharides: Glucose, Fructose– Disaccharides: Sucrose (table sugar), Lactose– Polysaccharides: Starch, Glycogen
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Carbohydrates• Subunits = Sugars• Contain C,H,O arranged in rings• Examples:– Monosaccharides: Glucose, Fructose– Disaccharides: Sucrose (table sugar), Lactose– Polysaccharides: Starch, Glycogen
• Functions: – Energy (glucose ATP)– Food storage (glycogen in liver)– cell identification
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2. Lipids
• Subunits = Fatty acids
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Lipids
• Subunits = Fatty acids• Made almost entirely of C and H
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Lipids
• Subunits = Fatty acids• Made almost entirely of C and H• Long carbon chains or rings
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Lipids
• Subunits = Fatty acids• Made almost entirely of C and H• Long carbon chains or rings• Functions: Energy storage, insulation, cell
membranes, hormone precursors
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3. Nucleic acids
• Subunits = Nucleotides
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Nucleic acids
• Subunits = Nucleotides• Structure = Sugar + Phosphate + Base
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Nucleic acids
• Subunits = Nucleotides• Structure = Sugar + Phosphate + Base• Examples: DNA, RNA
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Nucleic acids
• Subunits = Nucleotides• Structure = Sugar + Phosphate + Base• Examples: DNA, RNA• Function: Store genetic information
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4. Proteins• Subunits = Amino acids
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Proteins• Subunits = Amino acids• Contain C,H,O,N,P,S
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Proteins• Subunits = Amino acids• Contain C,H,O,N,P,S• Long chains of amino acids that fold up into
complex shapes
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Proteins• Subunits = Amino acids• Contain C,H,O,N,P,S• Long chains of amino acids that fold up into
complex shapes• Functions:– Transport (move things in and out of cells)
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Proteins• Subunits = Amino acids• Contain C,H,O,N,P,S• Long chains of amino acids that fold up into
complex shapes• Functions:– Transport (move things in and out of cells)– Structural (Keratin forms outer layer of skin)
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Proteins• Subunits = Amino acids• Contain C,H,O,N,P,S• Long chains of amino acids that fold up into
complex shapes• Functions:– Transport (move things in and out of cells)– Structural (Keratin forms outer layer of skin)– Enzymes (speed up chemical reactions)
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