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Biochemistry Flashcards

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4816121894BiochemistryThe study of the chemistry of life0
4816121895AtomSimplest particle of matter1
4816121896ElectronsNegative charge, move around in electron cloud, form bonds2
4816121897BondHolds 2 elements together3
4816121898Covalent bondShares electrons4
4816121899Ionic bondTransfer electrons5
4816121900IonAtoms with a charge6
4816121901ElectrolytesImportant ions required by the body7
4816121902Important electrolytesNa+, K+, Cl-, Mg+, Ca2+, Fe2+8
4816121903Chemical reactionReaction in which bonds are made and broken9
4816121904Hydrogen bonda weak bond in which polar molecules are attracted to and hold together10
4816121905ElementAtoms are elements, but the number of protons defines each element (atomic number)11
48161219064 most common elements in the human bodyH, O, N, C12
4816121907pHPercent hydrogen ions in a solution13
4816121908SolventDissolves substances14
4816121909SoluteSubstance being dissolved15
48161219100-6.9 on pH scaleAcidic16
48161219117.1-14 on pH scaleAlkaline/basic17
4816121912Acids have moreHydrogen ions18
4816121913Bases have moreHydroxide ions19
4816121914MacromoleculeLarge molecule20
4816121915PolymerMade up of many units bonded together21
4816121916Key macromolecules of the human body1. Carbohydrates 2. Lipids 3. Proteins 4. Nucleic Acids22
4816121917BufferA weak acid or base that helps maintain homeostasis that combines with a strong acid or base23
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