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Biochemistry Flashcards

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4996535585Two Types of Chemical Reactions1. Synthesis 2. Degredation0
4996537655Synthesis-Two smaller things combine (ex: dehydration synthesis) -A product is created by combining two reactants1
4996540010Degredation-One large thing breaks down (ex: hydrolysis) -A reactant is being broken down2
4996542669Dehydration SynthesisThe removal of water (H2O) to combine two reactants -Removal of -OH from one molecule and -H from the other3
4996547745HydrolysisThe addition of water (H2O) to break a substance apart4
4996550416Octet Rule-States that an atom must have 8 electrons in its outermost shell in order to be stable and have a complete outer shell (Exceptions: Hydrogen and Helium only need 2 electrons) -Chemical reactions occur in order to satisfy the octet rule5
4996559921Types of Bonds1. Ionic Bond 2. Covalent Bond 3. Hydrogen Bond6
4996562332Ionic BondAtoms transfer electrons (medium strength)7
4996563273Covalent BondAtoms share electrons (strongest bond)8
4996565388Hydrogen BondWeak attraction between a partially positive hydrogen atom and another atom that bears a partially negative charge9
4996574785Inert ElementAtoms won't react with other atoms because their outermost shell is completely full10
4996578585Reactive ElementAtoms will react with other atoms because their outer shell is only partially full11
4996584482IonsAtoms that have gained or lost an electron12
4996586745AnionsAtoms that gain an electron/become negative13
4996588575CationsAtoms that loose an electron/become positive14
4996593164Structural Diagrams-Represent covalent bonds between various elements in a compound -Each line represents one covalent bond/2 electrons -One line = Single bond = 2 electrons -Two lines = Double bond = 4 electrons -Three lines = Triple bond = 6 electrons15
4996606658Types of Covalent Bonds1. Polar 2. Non-polar16
4996607601Polar Covalent Bonds-Unequal sharing of electrons -The more electronegative element will attract most of the electrons17
4996622672Non-polar Covalent Bonds-Equal sharing of electrons -Only occurs between two of the same elements (EX: 02, H2, N2)18
4996615056Electronegativity-A measure of the tendency of an atom to attract a bonding pair of electrons -Elements closer to fluorine on the periodic table are more electronegative than elements farther away19
4996632669Ways to Represent Molecules1. Structural Diagram 2. Bohr/Spatial Diagram 3. Chemical/Molecular Formula20
4996635733Organic MoleculesMolecules that contain carbon and hydrogen (and usually oxygen)21
4996638106Inorganic MoleculesMolecules that don't have carbon and hydrogen22
49966409144 Categories of BiomoleculesPolymers: Monomers: 1. Carbohydrates -> Monosaccarides (sugars) 2. Nucleic Acids --> Nucleotides 3. Proteins --------> Amino Acids 4. Lipids ----------> Glycerol and Fatty Acids23
4996659397Isomer-Same atoms arranged differently -Same chemical composition/formula -Different structure = Different behavior (Ex: Butane and 2-methyl-propane both have 4 carbons and 10 hydrogens)24
4996673413Bond Capacity of Abundant Atoms in Organic CompundsCarbon- 4 Nitrogen- 3 Oxygen- 2 Hydrogen- 125
5064698444Functional Groups-Methyl -Hydroxyl -Carbonyl -Phosphate -Carboxyl -Amine26
5064712480MethylThree hydrogens bonded to a carbon27
5064717616HydroxylA hydrogen bonded to an oxygen bonded to a carbon28
5064726368CarbonylAn oxygen double bonded to a carbon29
5064734115PhosphateOne double bonded and three single bonded oxygens coming off a phosphorous30
5064755706CarboxylA hydroxyl and carbonyl group (A hydrogen bonded to an oxygen coming off a carbon double bonded to a oxygen)31
5064770130AmineTwo hydrogens bonded to a nitrogen32
5064807876PolymersLarge molecules made of repeating units33
5064809607Monomers-Small units -Building blocks of polymers -Different for each molecule34

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