P p carbohydrates wnotes #4
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P p carbohydrates wnotes #4

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    P p carbohydrates wnotes #4 P p carbohydrates wnotes #4 Presentation Transcript

    • General Biology – Biochemistry Carbon Compounds Section 2.3
    • A Little Review… Elements, M M Organic A atoms Molecules A compounds Protons K & KNuetrons E M E Compoundselectrons A U K U P E P U p The Basic Unit of Life cells
    • Inorganic vs Organic•Non-living •Produced by living•Do not contain thingscarbon (exceptions) •All contain carbon•Needed for life •Important organic•Plants organize compoundsinorganic compounds –Carbohydratesinto organic –Lipids•H2O, O2, CO2 –Proteins•Minerals, nitrates –Nucleic acids
    • What is the big deal about carbon??Carbon is very versatileIt can form 4 covalent bonds
    • Where does all of the carbon for living things come from?Organic Molecule
    • CARBOHYDRATES
    • Carbohydrates Needed for short term energy storage (cell fuel) and structural support Made of C, H, O (1:2:1) Building blocks (monomers) are simple sugars C6H12O6 Big– Carbos – made by dehydration synthesis of two simple sugars
    • Dehydration Synthesis Inorder for monomers to bond, a water is released in the bonding process In the bonding of monomers – water is added and it is called hydrolysis
    • 3 Types of Carbohydrates Monosaccharides – simple sugars Disaccharides – double sugars Polysaccharides – many sugars
    • Monosaccharides – simple sugars C6H12O6 Manufactured by green plants Burned in Cellular glucose Respiration 3 examples fructose galactose
    • Glucose, Fructose, and Galatose Are ISOMERS - same formula C6H12O6 Different Molecular arrangment.
    • Disaccharides Two simple sugars together. C6H12O6 + C6H12O6 = ? C12H22O11 Dehydration synthesis
    • Double Sugars - disaccharides: 2 monosaccharides joined Sucrose = fructose + glucose (table sugar) Maltose = glucose + glucose (malt sugar) Lactose = glucose + galactose (milk sugar)
    • POLYSACCHARIDES (C6H10O5)n Macromolecules - many simple sugars joined
    • POLYSACCHARIDESMacromolecules - many simple sugars joined Cellulose - cell walls in plants (fiber, wood paper, fruits, vegetables) *Most abundant organic compound on earth Starch - stored energy in plants (potatoes, grains, legumes, corn) Glycogen - animal starch (liver & muscle tissue)
    • CHITINA polymer of glucoseFound in exoskeletons of arthropods(ex. Crabs, shrimp, lobsters)
    • Starch Grain in Storage Cells