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Biochemistry Flashcards

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8432651718AtomThe building blocks of life, the smallest possible unit of mass0
8432651719ElementAny substance that consists of only 1 type of atom1
8432651720CompoundTwo or more types of elements combined in a definite ratio/pattern2
8432651721ProtonsPositively charged particles found in the nucleus of an atom.3
8432651722NeutronsParticles found in the nucleus of a atom with no/neutral charge4
8432651723ElectronsNegatively charged particles found outside the nucleus in a atom5
8432651724Covalent bondFormed when atoms share electrons6
8432651725ElectronegativityCreates a charge across a molecule when electrons spend more time with one atom7
8432651726NonpolarMolecules where atoms share electrons equally and have no charge (a type of covalent bond)8
8432651727PolarMolecule when atoms don't share electrons equally creating a charge across the molecule (a type of covalent bond) (found in a water molecule)9
8432651728Hydrogen bondWeak attraction between the positive side of one polar molecule and the negative side on another (links water molecules together)10
8432651729CohesionThe tendency of the same type of molecule to stick together (creates surface tension in water)11
8432651730AdhesionThe tendency of different molecules to stick together (allow water to cling to a blade of grass)12
8432651731High Heat Capacitywater has the ability to absorb large amounts of heat before it changes temperature13
8432651732MonomerSingle unit building block14
8432651733PolymerLarge molecules made by joining monomers15
8432651734MacromoleculeLarge polymer made of many monomers16
8432651735Organic CompoundMolecules that make up living things, contain carbon and hydrogen17
8432651736Inorganic CompoundDo not contain carbon and hydrogen, still found in living things18
8432651737CarbonElement the forms the basis of all organic compounds, can form 4 bonds, creating molecules of various shapes19
8432651738Polymerizationwhen monomers link together to form polymers, water is removed/created, same as dehydration synthesis20
8432651739Hydrolysiswater is added to break polymers into monomers21
8432651740CarbohydratesOrganic compounds commonly called sugars, used for energy22
8432651741MonosaccharideCarbohydrate monomer, simple sugars23
8432651742PolysaccharideCarbohydrate polymer24
8432651743LipidsMacromolecules that don't mix well with water and contain no monomers. Used for long term energy storage25
8432651744Unsaturated fatty acidsComponent of fats, contain double-bonded carbons that create a bend, liquid at room temperature26
8432651745Saturated fatty acidsComponent of fats, long, straight chains of sinlge-bonded carbons, solid at room temperature27
8432651746ProteinPolymer made of long chains of amino acids, responsible for most aspects of life28
8432651747Amino acidsMonomers of proteins29
8432651748PolypeptideLong chains of amino acids30
8432651749DenaturationChange in the shape of a protein due to a change in the environment, stops the proteins functions31
8432651750Peptide bondCovalent bond that links amino acids32
8432651751Nucleic acidOrganic compound made of nucleotides, includes DNA & RNA33
8432651752NucleotideMonomer of nucleic acids34
8432651753ReactantSubstance(s) in a reaction undergoing a change (what goes in)35
8432651754ProductSubstance(s) formed during a reaction (what comes out)36
8432651755Activation EnergyAmount of energy required to break chemical bonds and start a reaction37
8432651756EnzymeProteins that speed up chemical reactions by lowering activation energy38
8432651757CatalystSubstances that cause reactions, but aren't changed by them39
8432651758SubstrateThe substance an enzyme acts on40
8432651759Active siteRegion of the enzyme where the substrate attaches41

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