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Review

Review. Water is __________________ Attractive force between particles of the same kind. ____________________ Attractive force between unlike substances. _______________________ In a mixture of water and cool-aid which would be the solute and which would be the solvent?.

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Review

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  1. Review • Water is __________________ • Attractive force between particles of the same kind. ____________________ • Attractive force between unlike substances. _______________________ • In a mixture of water and cool-aid which would be the solute and which would be the solvent?

  2. What are the structure and function of the 4 macromolecules? Section 6.4

  3. Organic vs. Inorganic • Organic Chemistry = carbon chemistry • Macromolecules are carbon based

  4. Carbohydrates • Chemical composition: carbon, hydrogen, and oxygen in a 1:2:1 ratio • C6H12O6 • Is C24H48O24 a carbohydrate?

  5. Monosaccharides are monomers of carbohydrates.

  6. Two monosaccharides= disaccharide

  7. Many Monosaccharides= polysaccharide • Starch is a polysaccharide and plants store it as starch

  8. Carbohydrates function in living things • Main source of energy in all living things

  9. Nucleic Acids • Contains the 5 elements- Carbon, nitrogen, phosphorus, hydrogen, and oxygen • The monomers or building blocks of Nucleic Acids are nucleotides

  10. Nucleotides are composed of. . .

  11. Function in Living Things - Stores hereditary information • Examples: DNA and RNA

  12. Ticket out the Door • What is the chemical composition of carbohydrates and what is the ratio? • Give an example of a monosaccharide, disaccharide, and polysaccharide

  13. Draw a picture of the monomer for nucleic acids. • What is the monomer for carbohydrates? • What 3 elements compose carbohydrates? • What are the two types of nucleic acids? • Tell me something you already know about lipids.

  14. Building Blocks: • Lipids are made of fatty acids and glycerol. • Examples: • Phospholipids • Waxes • Triglycerides • Saturated • Unsaturated • Steroids • Hormones • Cholesterol

  15. Why are lipids important? Primary function is to store energy! • Waterproof covering (surfaces of leaves) • Protection (earwax)

  16. Proteins • Chemical Composition • Carbon, hydrogen, oxygen and nitrogen • Building Blocks • Amino acids linked together by peptide bonds

  17. Peptide Bond

  18. Proteins • R-group in amino acids determine the structure of the protein. • 1st- # of a.a. and their order • 2nd- 3-D shape • 3rd- Globular • 4th- combine with other proteins

  19. Why proteins are important • Function in Living Things: Skin and muscles are made largely of proteins • Enzymes are proteins. • Structural support of cells • Cell communication • Cell growth

  20. Macromolecules Lab • Benedict’s Solution-Test for Sugars (simple carb.) • Lugol’sSolution-Test for Starch (complex carb.) • Biuret Solution-Test for Protein • Paper Towel -Test for Lipids

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