Human Biology Notes Days 1-4
Human Biology Notes Days 1-4 Biol 100
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This 5 page Bundle was uploaded by Sadie Jaramillo on Monday February 1, 2016. The Bundle belongs to Biol 100 at Fort Hays State University taught by Dr. Eberle in Spring 2016. Since its upload, it has received 73 views. For similar materials see Human Biology in Biology at Fort Hays State University.
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Date Created: 02/01/16
HUMAN BIOLOGY JANUARY 25, 2016 CHEMISTRY • Atoms Protons (+) Electrons () orbit Nucle us e^1 possess energy e^1 farther from nucleus possess more energy e^1 can gain or lose energy <2 e^1 in first orbit <8 e^1 in second orbit <8 e^1 in third orbit MOLECULES 2 or more atoms (Oxygen O2) Compound 2 or more kinds of atoms (Water H2O) Ions atoms and molecules can: 1 gain e^1 (reduction) lose e^1 (oxidation) Sodium (Na) 2, 8, 1 —> Na+ (2, 8) Chlorine (Cl) 2, 8, 7 —> Cl (2, 8, 8) CHEMICAL BONDS: 4 6 1 5 | —C— O H N | Ionic Bonds Na+ + Cl —> NaCl Covalent Bonds (shared e) H | 8+ O — H 8 Polar Molecules: Hydrogen bonds Hydrophilic Polar can form H bonds with water Hydropolar not polar, cannot form H bonds with water 2 Water Ionizes H2O—>H(+) + OH () proton pH Acids (<7) Bases (>7) (7 is neutral, pure water is 7) HCl—> H(+) + Cl () = (Hydrochloric Acid) NaOH—> Na (+) + OH () = (Sodium Hydroxide, LYE) pH is a 10fold charge, exp. 10^3 Coke pH 3.0 = 10^3 Saliva pH 6.0 = 10^6 Therefore coke is 1,000 times more acidic than your mouth Buffers: Molecules that pick up excess hydrogen HCO3(small 3)() bicarbonate (tums) HCO3() + H(+)<—> H2Co3 JANUARY 27, 2016 ORGANIC MOLECULES: Carbohydrates: Monosaccharides Glucose (C6H12O6) Disaccharides Sucrose (glucose + fructose) Polysaccharides 3 Starches Glycogen Cellulose Chilin Lipids: Triglycerides (fats and oils) Saturated Fats Unsaturated Fats Hydrogenated Fats (peanut butter) Trans Fats Waxes MONOSATURATED Phospholipids POLYUNSATURATED Sterols N Proteins: Amino Acids N (20 amino acids in proteins 8 “essential amino acids) N Amino Acids = Polypeptides (a bunch of amino acids) DENATURE Protein = one or more polypeptides Heat, pH change Protein structure (shape) dictates protein function Primare Structure Phosphate Secondary Structure Hydrophobic Tertiary Structure Quaternary Structure 4 February 1, 2016 Cellular Structures Ribosome Cytoskeleton Endomembrane Structures Rough ER Smooth ER Golgi Apparatus Vesicle Mitochondrion Plastid Chloroplast Mitochondrion and Chloroplast 2 membranes and DNA Mitochondrion production of energy molecules (ATP) Chloroplasts contains chlorophyll 5
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