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The 4 Macromolecules of Life

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Presentation on theme: "The 4 Macromolecules of Life"— Presentation transcript:

1 The 4 Macromolecules of Life

2 1 - Carbohydrates Contain ONLY carbon, hydrogen, and oxygen
Main source of energy Include mono-, di-, and polysaccharide Examples: sugars (cellulose, fructose, sucrose, etc.) starches (potatoes, bread, rice, pasta, etc.) End in “ose” Plants and some animals use for structural purposes C6H12O6 Glucose monomer (monosaccharide) Starch polymer (polysaccharide)

3 2- Proteins Contain carbon, hydrogen, oxygen, and NITROGEN
Made of long chains of amino acids Control rate of reactions, Regulate cell processes, Form bones & muscles, Part of cell transport, Help fight disease Enzymes Amino Acid monomer Protein polymer

4 3 - Lipids Mostly carbon, hydrogen with some oxygen
Used to store energy Helps animals conserve heat Examples: Fats, oils, waxes, butter Important parts of biological membranes & waterproof coverings - Made of 1 glycerol & fatty acids Lipid polymer Fatty Acid monomer polymer

5 4 - Nucleic Acids Made of carbon, hydrogen, oxygen, NITROGEN, and PHOSPHOROUS Polymers made from monomers called NUCLEOTIDES, which is made of a 5 carbon sugar Phosphate group Nitrogenous base Nucleotide monomer DNA polymer Store and transmit genetic info Examples DNA & RNA (our heredity) ATP (our energy molecule)

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