Organic Chemistry Fix note packet so it’s faster and not as Ch. 9-12 Schedule - Spring 2013 boring. Date Fri. 5-10 Homework (to be Day 1 – through intro stereoisomers and Topics Completed on date listed) options^positions. Have them build Isomerism - enantiomers Read: Ch. and 9 pg. 278-288; 292-295 make straight to cyclic. Try to get the Interpreting structural formulas Wedge-bond &stereo Fischervs. Projections enant etc. practice done too. Applications Day 2 – (add slide with shapes and number isomers) impt. Fri. 5-10 Correct PS 9.1; Quiz Read: Ch. 10 pg.308-315 Monosaccharides (faster; Hwk: no pics?); Intro to Carbohydrates PS 9.1 Ch. 9 #1,3,5,7,8,9abc,10ab,11-14 chem/phys Monosaccharides – classification, names prop slide is good; Add old stereoisomerism, monosaccharides slide for impt. benedicts in with first cyclic Mon. 5-13 Cyclic vs. open-chain structures/Haworth structures how sweet it is to later afterRead: Ch. 10 pg. 315-323 Chem/Phys. properties of monosaccharides disaccharides); for each disaccharide disaccharides Tues. 5-14 Clicker Practice Quiz benedicts and it’s enzyme. Read: Ch. 10 pg. 323-335 Polysaccharides; digestion (need min. 50 minutes) Hwk: PS 10.1 Ch. 10 #3,4,7abde,9,10,13, 15,16,19,22 Fiber, cell recognition (if time?) (will grade tomorrow) Wed. 5-15 Correct PS 10.1 & 10.2; Quiz Fiber, cell recognition Lab– Building a disaccharide & a fatty acid Lipids – classification Fatty acids Thurs. 5-16 Structure & properties of triacylglycerols Chemical reactions of triacylglycerols -hydrolysis, digestion/storage/hydrogenation LAB – Making Soap Fri. 5-17 Correct 11.1/Soap Lab; Quiz PS 11.1/soap lab LAB – Properties of Lipids Hwk: PS 11.1 # 1,2,3,6,8,11a,15,16,47,48 Hwk: Collect Soap Lab Mon. 5-20 Correct Lipid Lab; Notes - Proteins-types -amino acids & zwitterions Read: Ch. Ch. 12 pg.372-380 Hwk: Complete Lab Tues. 5-21 Correct Zwitterion WS Peptides & their chemical reactions 12.5 - 3-D structure of proteins Read: Ch. 12 pg. 380-391 Hwk: Finish Zwitterion WS Wed. 5-22 Lab – Identifying Biomolecules (B-13) (Iodine, Ninhydrin, Biuret, & Benedicts tests) Correct PS 12.1; Video - Proteins Thurs. 5-23 Quiz-PS 12.1 & Lab Lab – Identifying Proteins and Amino Acids (Biuret, Xanthoproteic, Sakaguchi, Nitroprusside tests) Hwk: Complete lab Fri. 5-24 TEST: Ch. 9-12 (through 12.5) Lab B-16 – Enzymes vs. Inorganic Catalysts Hwk: STUDY!!! example of mutarotation; move box make it show if test positively for Hwk: PS 10.2 # 29,30,31,39,40,41,45,53,58 Read: Ch. 11 pg. 340-351 Read: 391-402 Hwk: PS 12.1 # 1,3 (omit e),4 (omit bc),5,7a, 10(don’t name), 14 (don’t name),15 (total # only, don’t list), 30,31,32,34,35,36 SEE BACK FOR ESSENTIAL QUESTIONS Please be prompt about making up labs. If you know you’re going to miss a lab, you should think about making it up ahead of time. Thanks! a Essential Questions Ch. 9-12 CHAPTER 9 • How can you distinguish between chiral and achiral molecules? • How can you identify tetrahedral stereocenter? CHAPTER 10 • How can you describe the biological roles of carbohydrates & distinguish between mono- ,di- , oligo-, and polysaccharides? • How can you draw Fischer and Haworth projections? - Be able to identify the Fischer projection for which a Haworth projection correlates and vice versa. - If given the classification of a sugar (aldohexose, ketotetrose etc.) be able to predict the shape it will take (hexagon, pentagon etc.) as well as its molecular formula (C6H12O6, C4H8O4). - Given the classification of a sugar (aldohexose, ketotetrose etc.) be able to determine how many stereoisomers it would have. (i.e. be able to determine the # of stereoisomers and thus the # of isomers.) • How can you describe structures and functions of mono-, di-, and polysaccharides? - Know common mono- (glucose, galactose, fructose), di- (lactose, maltose, sucrose), and polysaccharides (starch- amylose, amylopectin, glycogen, cellulose). - Given a monosaccharide be able to classify it as an aldose/ketose and as a tetrose, pentose, hexose etc. - Given a disaccharide be able to tell the monosaccharides from which is is made and be able to identify how they are linked if given a diagram of the structure – (14), (14), (16) etc. - Given a polysaccharide be able to tell the monosaccharide from which it is made and be able to identify how they are linked if given a diagram of the structure – (14), (14), (16) etc. - Know that sugars exist predominantly in their cyclic (hemiacetal) structure. - Be able to distinguish between and mono- and di- saccharides. - Know physical properties of monosaccharides. • Be able to compare and contrast what happens to starch and cellulose when ingested. • Be able to explain how structural differences between starch and cellulose lead to different roles. • How can you describe photosynthesis and the interdependence of plants and animals? CHAPTER 11 • How can you draw the structures and describe the physical properties of saturated and unsaturated fatty acids? - Be able to explain the different properties of saturated and unsaturated fats as well as how trans-fats are related to saturated and unsaturated fats in terms of structure and melting points. - Be able to explain the solubility of fats in polar and nonpolar solvents. - Be able to explain the roles of fat and water soluble vitamins. • How can you draw the structures and describe the physical properties of triacylglycerols & fat-soluble vitamins? - Be able to draw the following reactions: glycerol + 3 fatty acids triglyceride + 3 H2O triglyceride + 3 H2O glycerol + 3 fatty acids triglyceride + 3 NaOH glycerol + 3 soaps (salts of fatty acids) • How can you describe and write reactions for the hydrolysis, catalytic hydrogenation, and rancidity reactions of triacylglycerols? • How can you describe the structure of biological membranes? • How can you describe the processes by which molecules and ions are transported across biological membranes? LAB OBJECTIVES • Making Soap -Be able to draw the saponification reaction of any triglyceride. -Know the chemicals and equipment needed to make soap. -Be able to explain how ethanol is used as an emulsifying agent and why it is needed. • Properties of Lipids Lab -Be able identify a lipid by its structure and predict if it would dissolve in water, or hexane; and be able to predict wheat it would look like if tested with Sudan III. -Given the structure of a fat, be able to predict what would be observed if bromine water were added to it. CHAPTER 12 • How can you draw and categorize the -amino acids? -Be able to draw any amino acid if given the structure for its “R” group. • How can you describe the effect of pH changes on a-amino acid function? - Be able to draw the structure of an amino acid at low, physiological, and high pH. • How can you describe the structures of peptides, and write equations for their synthesis from -amino acids? - Be able to draw the structure of a polypeptide (polyamide). • How can you describe and write equations for the reactions of peptides? - Be able to draw the digestion (hydrolysis) of a polypeptide. • How can you distinguish between the primary, secondary, tertiary, and quaternary structures of proteins? - Be able to describe the type of forces what exist between side chains of amino acids. - Be able to describe the hydrogen bonding that occurs between peptide groups in polypeptide chains to make -helices and sheets. - Given a description of protein folding, be able to identify the type(s) of forces involved. - Be able to describe the difference between conjugated and simple proteins (including the use of the terms “prosthetic groups, cofactors, coenzymes.” • How can you describe the forces that stabilize proteins? - Be able to list/explain all five stabilizing forces. • How can you describe mutations and how they affect living organisms? • How can you describe protein denaturation by environmental changes? LAB OBJECTIVES • Identifying Biomolecules B-13 -Know what color changes are observed for each test (Ninhydrin, Benedicts, Iodine, and Biuret) as well as what types of molecules they test for (by name or structure). • Identifying Proteins and Amino Acids - Know what color changes are observed for each test ( Biuret, Xanthoproteic, Sakaguchi, Nitroprusside tests) as well as what types of molecules they test for (by name or structure) *** Be able to identify the major structural differences of the four main types of biomolecules (carbohydrates, lipids, proteins, nucleic acids) as well as their roles.*** * Know the difference between covalent, ionic, and intermolecular bonding.