Macromolecules slides

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  • Add glycerol always has 3 carbons and 3 hydroxyl groups…also made by dehydration reactionNot really a polymer
  • http://learn.genetics.utah.edu/content/begin/cells/scale
  • Macromolecules slides

    1. 1. Macromolecules
    2. 2. What is a molecule?A group of two or more atoms held together by covalent bonds Ex: H2O, Glucose, CH3, Cy clohexaneWhat is amacromolecule?A very large molecule made up of repeating molecules or subunits (monomers) linked (polymerized) together to make a polymer.
    3. 3. What are the 4 major macromolecules that make upall cells?Carbohydrates Lipids Proteins Nucleic Acids
    4. 4. Carbohydrates - sugarsCarbohydrates are made up of monomers call monosaccharide (one sugar)carbo-: sounds like carbon-hydrate: means something combined with water  General formula for carbohydrates: CnH2nOn
    5. 5. Carbohydrates - sugars Carbohydrates are made by a dehydration reaction1 monosaccharide + 1 monosaccharide  1disaccharide + 1 H2O
    6. 6. Polysaccharide sugars- made of 100’s to1000’s of glucose (a type of monosaccharide)monomer units linked by dehydrationreactions ex: starchFunction of a carbohydrate is usually to be anenergy source for cells
    7. 7. Lipids - FatsLipids are made of a monomer of 1 glycerol molecule and 3 fatty acids (triglyceride) Not Really a Polymer!!  
    8. 8. Proteins Proteins are made of a monomer of amino acids  The R-group makes each amino acid different
    9. 9. Proteins Amino acids are linked together by a dehydration reaction A long chain of amino acids linked together is called a polypeptide chain or polypeptide  
    10. 10. Proteins When a polypeptide chain folds together it makes protein. Proteins perform the cells functions and gives a cell structure
    11. 11. Nucleic Acids – DNA/RNA Nucleic acids are made of monomers called nucleotides Nucleotides link together by dehydration reactions
    12. 12. Nucleic Acids – DNA/RNA Each Nucleotide has 3 main parts

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