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Biochemistry Flashcards

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8256422812Elementscomposed of only one type of atom; can't be broken down0
8256434989Protonspositive charge, in the center of the atom, it's attrached to electrons1
8256444851Neutronneutral charge in center of the atom, not attrached to nothing2
8256466117ElectronNegative charge, located on outer rings of the atom, attrached to protons3
8256484790Isotopesatoms of the same elements that have difinite number of neutrons4
8256506725Why do isotopes decay?changing number of neutrons can cause neucules to decay5
8256520176Why are radioactive isotopes useful?can calculate the age by finding out how much carbon 14 left, also helpless in medical practices6
8256540831Octet RuleAtoms gain or lose electrons so that they have a complete valence shell (8 electrons)7
8256563962Covalent BondsElectrons are shared between atoms8
8256567877Polar BondsUnequal sharing of electrons EX: Water9
8256581009Non Polar Bondsequal sharing of electrons because they have an equal attraction EX: Oil10
8256586129Ionic BondsThe electrons are transferred from one atom to another, formed between a cation11
8256597830Atoms have a charge because ....they have extra or fewer electrons12
8256617587The more electrons you have ....negative13
8256621072the fewer electrons you have ....positive14
8256629872Hydrogen bondsA type of weak chemical bond formed when the slightly positive hydrogen atom of a polar covalent bond in one molecule is attracted to the slightly negative atom of a polar covalent bond in another molecule. One bond15
8256636082CohesionStitch together/ surface tension16
8256641394AdhesionAttraction of molecules of a different substance17
8256651338Capillary ActionBoth cohesion and adhesion (Pull water up the tube)18
8256661435Specfic HeatHow much energy you have to put into a molecule to raise its temp19
8256697247Solventsubstance that can dissolve another substance20
8256705537Solutething thst dissolved21
8256715177SolutionUniform mixture of 2 or more substances22
8256749647Mixturecombination where they retain individual characteristics23
8256767416Hydrophilic Moleculesmolecules with Polar or ionic bonds -- attrached to water24
8256767417Hydrophobic Moleculesmolecules with non polar bonds -- repels water25
8256794489AcidsCompound that make H+ -- Ph 0 - 726
8256806346BasesCompounds that make OH - ions in solution 7- 1427
8256829825BuffersMixtures that react with acids or bases to help the PH within a certain range28
8256850047Organic Compoundshave carbon bonds29
8256868407Macromoleculesbig molecules formed by joining smaller organic molecules toghether30
8256876484Monomersbuilding blocks of organic molecules, small chemical unit that makes up a polymer31
8256906275CarbohytratesCommon Elements - Carbon, Hydrogen, Oxygen Monomer Unit - (CHO)2 Strcture - Rings32
8263381267MonosaccharidesGlucose, frutose Function is quick release of energy33
8263393678What do Lipids have in common?Both Hydrophilic and hydrophobic34
8263517887triglycerideComposed of three molecules of fatty acids joined to one molecule of glycerol35
8263527588lipidEnergy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.36
8263533765endothermic reactionA reaction that ABSORBS energy in the form of heat37
8263546644amino acidBuilding blocks of protein38
8263558322catalyst(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected39
8263564815Enzyme activitythe ability of an enzyme to do work and is mainly dependent on substrate concentration40
8263579890dehydration reactionA chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule.41
8263598438ProtienA macromolecule that contains the principal components of organisms: carbon, hydrogen, oxygen, and nitrogen; performs a variety of structural and regulatory functions for cells.42
8263608558hydrolysisA chemical reaction that breaks bonds between two molecules by the addition of water; functions in disassembly of polymers to monomers.43
8263613514disaccharideA double sugar molecule made of two monosaccharides bonded together through dehydration synthesis.44
8263618953polysaccharideA polymer of thousands of simple sugars formed by dehydration synthesis; Carbohydrates that are made up of more than two monosaccharides45
8263626250"ose"sugars46
8263631817saturated fatA lipid made from fatty acids that have no double bonds between carbon atoms; A fat that is solid at room temperature and found in animal fats, lards, and dairy products47
8263639856substrateA specific reactant acted upon by an enzyme; reactant of an enzyme-catalyzed reaction48
8263645952unsaturated fatA lipid made from fatty acids that have at least one double bond between carbon atoms; A fat that is liquid at room temperature and found in vegetable oils, nuts, and seeds.49
8263657016exothermic reactionA reaction that releases energy in the form of heat50
8263662708nucleic acida complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.51
8263668533fatty acidBuilding Blocks of Lipids; substances produced when fats are digested; simple forms of fat that supply energy fuel for most of the body's cells; unbranched carbon chains that make up most lipid52
8264679760EnzymeA type of protein that speeds up a chemical reaction in a living thing53
8264693917How are isotopes different from enzymesthe use of the isotope effects to determine the enzyme54
8264759728chitina fibrous substance consisting of polysaccharides55
8264772683Active siteRegion of an enzyme into which a particular substrate fits.56
8264784951dehydration synthesisA chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule57
8264803760celluloseA large polysaccharide composed of many glucose monomers linked into cable-like fibrils that provide structural support in plant cell walls58
8264851071Oxygenhas 2 bonds59
8264857114Nitrogenhas 360
8264857115Carbonhas 461
8264909313What are the types of bondsCovalent bonds, polar bonds, non polar, ionic62
8265025894why is specific heat importantHelps regulate the tempature Stores energy63
8265056493Phmeasure of the hydorgen ion concentration of a solution64
8265091016Why does water's specific heat affect other organismscan affect the way they live65
8265110853what are the types of macromoleculescarbohydrates. lipids. proteins. nucleic acids.66
8265160533protiens do whatprovide structure and support for cells67
8265171463lipids do whatproviding energy to producing hormones68
8265182460nuelic acids do whatGenetic Information69
8265185228carbohydrates do whatprovide your body with energy.70
8265221568macromolecule structuresMacromolecules have giant covalent structures71
8265284363why is homeostasis important for the function of enzymesHomeostasis keeps the body environment under control and keeps the conditions right for cells to live and function. Without the right body conditions, certain processes and proteins will not function properly.72
8265297469How enzymes are regulatedThe binding molecules control whether an enzyme is activated or inhibited73
8265336294DenaturationDenaturation is a process in which proteins or nucleic acids lose the quaternary structure, tertiary structure and secondary structure which is present in their native state *when she flings it around in class*74
8265375244denature enzymesChange the pH and the enzyme stops working. Increasing the temperature to 60°C will cause a permanent change to the shape of the active site. This is why enzymes stop working when they are heated75

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