biochemistry matter & elements all matter made of __________________________all matter made of...
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BiochemistryBiochemistry
Matter & ElementsMatter & Elements•All matter made of __________________________All matter made of __________________________•All atoms have ______________________All atoms have ______________________•Protons/electrons/neutrons? Charge? Mass? (Chart)Protons/electrons/neutrons? Charge? Mass? (Chart)•# of _______________ in nucleus determines atom’s identity# of _______________ in nucleus determines atom’s identity•IonsIons atoms that gain or lose ____________________ atoms that gain or lose ____________________
HemoglobinHemoglobinAtomAtom
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Why Atoms Form BondsWhy Atoms Form Bonds•2 or more elements = _______________________2 or more elements = _______________________
•1st _______elements have up to ____ energy levels/ ______ 1st _______elements have up to ____ energy levels/ ______ electrons on 1st level, up to ________ on 2nd level, and electrons on 1st level, up to ________ on 2nd level, and _________ on the 3rd level_________ on the 3rd level
•Most elements want to have _______ electrons in outer shellMost elements want to have _______ electrons in outer shell
•Atoms will _______________ to get 8 electrons in outer shellAtoms will _______________ to get 8 electrons in outer shell
•Sharing electronsSharing electrons ______________bonds ______________bonds•Stealing electronsStealing electrons ______________ bonds ______________ bonds
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Covalent Bond In ActionCovalent Bond In Action
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Ionic Bond In ActionIonic Bond In Action
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NaCl- Ionic BondNaCl- Ionic Bond CHCH4-4- Covalent Bond Covalent Bond
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Chemical Changes, Chemical Chemical Changes, Chemical Symbols, & FormulasSymbols, & Formulas
Chemical Symbols-Chemical Symbols- look at P.T. look at P.T.Chemical FormulasChemical Formulas group of _________________ together group of _________________ together
Exp. __________________________Exp. __________________________
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Acids and BasesAcids and Bases
Pure water has equal amounts of ________________Pure water has equal amounts of ________________If equal number of H+ and OH-, solution is ________If equal number of H+ and OH-, solution is ________
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pH ScalepH Scale
Scale measures amount of H+ ions Scale measures amount of H+ ions in solutionsin solutions
pH = 7-___________pH = 7-___________
pH< 7 –__________pH< 7 –__________
pH > 7--___________pH > 7--___________
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Polarity of WaterPolarity of Water
Structure of water is ______________________Structure of water is ______________________
HH22OO•Oxygen has ______ protons & _______ electronsOxygen has ______ protons & _______ electrons
•________________________________, and electrons are ________________________________, and electrons are pulled in close to the nucleuspulled in close to the nucleus
•Hydrogen has ______ proton & _____ electronHydrogen has ______ proton & _____ electron
•Not held _____________ very tightlyNot held _____________ very tightly
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Water’s StructureWater’s Structure•In HIn H22O, _____________ slightly pulls the electrons O, _____________ slightly pulls the electrons
away from the ______________________ moleculesaway from the ______________________ molecules
•Oxygen becomes partially ________________Oxygen becomes partially ________________
•Hydrogen becomes partially __________________Hydrogen becomes partially __________________
•Water is a _____________ molecule (slightly charged)Water is a _____________ molecule (slightly charged)
•Polarity makes water ________________________ Polarity makes water ________________________
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Polarity of WaterPolarity of Water
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Polarity of WaterPolarity of Water
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Physical Properties of water
•Ice _________________
•Water _________________________
•Water molecules _____________________
•Water molecules stick to _______________________________________
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Ice floats:•When water freezes, hydrogen bonds lock water molecules into a structure that has empty spaces, making it less dense than liquid water
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Water absorbs and retains heat
Because of ___________________, water can absorb large amounts of _____________________
Absorbs lot of heat __________________
Helps keep cells at an _________________despite changes in the environment – homeostasis again!!
Allows _____________________to maintain a relatively constant temperature.
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EnergyEnergy
In living organisms, energy is stored as ____________In living organisms, energy is stored as ________________________________________________________________________________________
Types of EnergyTypes of EnergyPotential Energy – _________________ energy; energy Potential Energy – _________________ energy; energy of positionof position
Kinetic Energy- Energy of ________________Kinetic Energy- Energy of ________________
Law of Conservation of Energy- energy is not Law of Conservation of Energy- energy is not ____________________________ in a chemical reaction ____________________________ in a chemical reaction (1(1stst Law of Thermodynamics) Law of Thermodynamics)
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Energy & Chemical ReactionsEnergy & Chemical Reactions
Reactants = substances that __________ a chemical reactionReactants = substances that __________ a chemical reaction
Products = substances that are _____________________ a Products = substances that are _____________________ a chemical reactionchemical reaction
A + B A + B AB ABReactantsReactants ProductsProducts
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Different Types of ReactionsDifferent Types of Reactions
Exergonic Reaction = ___________________ energyExergonic Reaction = ___________________ energy
Endergonic Reaction = ________________ energyEndergonic Reaction = ________________ energy
Oxidation Reactions = reactant ____________ electronsOxidation Reactions = reactant ____________ electrons
Reduction Reaction = reactant ____________ electronsReduction Reaction = reactant ____________ electrons
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Organic ExamplesOrganic ExamplesCarbohydratesCarbohydrates•provide _______________ to cellsprovide _______________ to cells•help build _____________________help build _____________________•monosaccharides= ______ sugar unitmonosaccharides= ______ sugar unit•disaacharides = __________ connected sugar unitsdisaacharides = __________ connected sugar units•polysaccharides = _____________ connected sugar polysaccharides = _____________ connected sugar unitsunits
Glucose- The Ultimate CarbohydrateGlucose- The Ultimate Carbohydrate
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LipidsLipidsFats (triglycerides)Fats (triglycerides)Used for _________________Used for ________________________________________ molecules_______________________ moleculesTriglyceride = ________________ + glycerolTriglyceride = ________________ + glycerolSaturated= not easily broken down (all _________ Saturated= not easily broken down (all _________ bonds)bonds)Unsaturated= easily broken down (________ bonds)Unsaturated= easily broken down (________ bonds)
The Phospholipid BilayerThe Phospholipid Bilayer
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ProteinsProteinsTHE ___________________ material of the body!THE ___________________ material of the body!1.1. ____________________________________2.2. ______________________________________3.3. ________________________________________Made from ________________ (connected via peptide bonds)Made from ________________ (connected via peptide bonds)
CollagenCollagen
HemoglobinHemoglobin
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Levels of organization:
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Keratin-The Protein of Hair Keratin-The Protein of Hair and Fingernailsand Fingernails
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Hemoglobin = Transport ProteinHemoglobin = Transport Protein
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Nucleic AcidsNucleic Acids•Make our ______________Make our ______________•Instruct body which ______________ to makeInstruct body which ______________ to make•Made from ___________________Made from ___________________•__________________________________________