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Biochemistry Flashcards

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7904792106Atombasic unit of matter, each element is defined by how many protons it has0
7904804026NucleusCenter of the cell, contains the protons and neutrons1
7904812750ElectronsA negatively charged particle with a very small mass, constantly in motion and attracted to the nucleus2
7904816806ProtonsPositively charged particles, inside the nucleus3
7904819434NeutronsNo charge (neutral), 1 mass unit4
7904823993Atomic massthe # of protons + the # of electrons5
7904833956Only atom with 8 protonsOxygen6
7904840862S.P.O.N.C.H.Basis of all human life 98% of the human body7
7904852490Whats in S.P.O.N.C.H.Sulfur, Phosphorous, Oxygen, Nitrogen, Carbon, Hydrogen8
7904873616CarbonMakes up all organic matter, basis of life, Can form strong covalent bonds with other elements, can make single/double/triple bonds, 4 electrons per bond9
7904902304Compoundsmany atoms held together by chemical bonds10
7904904981Moleculessmallest unit of a compound11
7926300192Bondattraction between positive and negative ions12
7904909955Ionic bondsThe attraction b/w a positive and negative ion13
7904911470Ionan atom that has gained or lost an electron, lost= positive charge, gained= negative charge14
7904921458Covalent bondBond b/w two atoms, sharing of electrons, equal15
7904932264polar covalent bondunequal sharing of electron in covalent bond16
7904938442Polar moleculemolecule in which charges are unevenly distributed, held together w/ a polar bond17
7904942397Van der WaalsWeak interaction, between temporarily opposite charged molecules18
7904945295Hydrogen bondsweak attraction b/w a polar positive and polar positive atom (often b/w 2 molecules)19
7904959726Surface tensiontight hydrogen bonds b/w water molecules at the surface which resists forces from entering water due to cohesion20
7904961754Capillary actionthe tendency of water to rise in a small area due to adhesion21
7904965823Cohesionthe attraction b/w molecules of the same substance22
7904969858Adhesionattraction b/w molecules of different substances23
7925808841High specific heat/ heat capacitywater can absorb a lot of heat energy before it changes temperature24
7925816340Temperature moderationWhen water absorbs hot & cold temperatures which keeps it the same temperature25
7925776440solventthing doing the dissolving26
7925780627solutething being dissolved27
7925788180Aqueous solutionsolution where water was the solvent28
7925721106Macromoleculeslarge biological molecules, thousands of atoms, built from small units29
7925753329Monomerssingle unit of a macromolecule, different R groups give different identities30
7925760915polymerlarge molecules made of many monomers held together by covalent bonds31
7904976148Lipidslack of monomer, non polar32
7904990701TriglycerideType of lipid, saturated and unsaturated fats/oils, long term energy storage33
7922858354Triglyceride structure1 head group (hydrophilic and polar) , 3 fatty acid tails (hydrophobic and non polar)34
7922647360Unsaturated fatssolid form, double bond, bend35
7922652707Saturated fatsliquid form, single bond, straight36
7922664457Phospholipidslipid, Makes up of plasma membrane cells,37
7922891135Phospholipid structure1 head group (hydrophilic and polar) , 2 fatty acid tails (hydrophobic and non polar)38
7922680130Steroidslipid, rings of carbon, nonpolar, used for signaling (estrogen/testosterone)39
7922701927Nucleic Acidmake up DNA & RNA (polymer), function is information storage & transfer40
7922780181Nucleic Acid MonomerNucleotide41
7922784551Nucleic Acid structurebase, phosphate group, sugar42
7922820519ProteinsUsed for movement and muscles, stores long term energy43
7923084361Protein Monomer20 Amino Acids44
7925850608Amino Acid structureincludes amine group (include N and two H groups going to left), central carbor (includes C in middle R off top and H on bottom), and carboxyl ( C with two links to O on top and OH on side), different R groups give different chemical identities45
79259676781 degree protein structureorder of amino acids46
79259754052 degree protein structure - Alpha Helixstring of amino acids, corkscrew shape47
79259903132 degree protein structure - Beta Pleated Sheetparallel strand making a plane/ sheet48
79260013463 degree protein structure3D folding of amino acid strands49
7926005244Denaturationprotein unfolds to 1 degree structure, loses function50
7926012652Renaturationprotein refolds to original structure51
7923131663Polypeptide chainchain of Amino acids, 3D shape determines function52
7923861151Structural proteinStable, stringy53
7923865479Functional proteinsfragile, folded54
7923869188EnzymesSpecial type of protein that Lowers activation energy to set a specific chemical reaction into motion, name indicates function, each one has a specific substance, end in -ase, not affected by reaction55
7926023318active sitepart of enzyme that binds and speeds reaction56
7926030679substratechemical that is going to be reacted in the enzyme57
7924124819Catalystsomething that speeds up the rate of a chemical reaction58
7924142647Activation Energyenergy needed for reaction to occur59
7924149843CarbohydratesUsed for energy storage, raw materials, structural60
7924152001Carbohydrate monomersimple sugar, ends in -ose61
7924173418monosaccharidesugar62
7924177484disaccharide2 monomers joined together by covalent bond63
7924183615Polysaccharidemany monomers joined by covalent bond, Storage: many glucose monomers linked together (plants=starch, animals=glycogen), Structure: cellulose in plants (fiber), chitin in insects & fungi64
7924208557glycogenpolysaccharide of many glucose monomers in animals (storage)65
7924214805starchpolysaccharide of many glucose monomers in plants (storage)66

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