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Biochemistry Review Flashcards

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5105157464polymerA large molecule composed of repeating structural units or monomers.0
5105157465monomerA molecule of any compound that can react with other molecules of the same or different compound to form a polymer.1
5105157466carbohydrate"Compound containing carbon, hydrogen, and oxygen in the approximate ratio of C:2H:O (e.g., sugars, starches, and cellulose)"2
5105157467proteinClass of nutrients made up of amino acids. They are needed to build and repair body structures, and to regulate processes in the body3
5105157468lipidOrganic molecules made of carbon, hydrogen, and oxygen and store food energy until needed (Fats)4
5105157469nucleic acidA biological macromolecule (DNA or RNA) composed of the elements C, H, N, O, and P that carries genetic information.5
5105157470amino acidBuilding blocks of protein6
5105157471monosaccharideA simple sugar that is the basic subunit of a carbohydrate7
5105157472nucleotideMonomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base8
5105157473fatty acidBuilding Blocks of Lipids9
5105157474macromoleculeA very large molecule (as of a protein, nucleic acid, or carbohydrate) built up from smaller chemical structures10
5105157475dehydration synthesisA chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule.11
5105157476hydrolysisBreaking down complex molecules (polymers) by the chemical addition of water. Used in digestion.12
5105157477polysaccharidea carbohydrate that is composed of many monosaccharide units joined together13
5105157478glucoseA simple sugar that is an important source of energy.14
5105157479-oseWhat is the common ending of the name of most simple sugars?15
5105157483Amino groupA functional group that consists of a nitrogen atom bonded to two hydrogen atoms16
5105157485Condensation reactionA reaction in which two molecules become covalently bonded to each other through the loss of a small molecule, usually water; also called dehydration reaction.17
5105157488TriglycerideCirculate in the blood and are made up of three fatty acids attached to a glycerol.18
5105157489GlucoseA simple sugar that is an important source of energy.19
5105157490GlycerolA three-carbon alcohol to which fatty acids are covalently bonded to make fats and oils.20
5105157492disaccharideA molecule composed of two monosaccharides. Common disaccharides include maltose, sucrose, and lactose.21
5105157493polysaccharideA polymer of thousands of simple sugars formed by dehydration synthesis. a carbohydrate that is composed of many monosaccharide units joined together22
5105157494monosaccharideA simple sugar that is the basic subunit of a carbohydrate23
5105157495polypeptideA polymer (chain) of many amino acids linked together by peptide bonds.24
5105157497denatureA change in the shape of a protein (such as an enzyme) that can be caused by changes in temperature or pH (among other things).25
5105157498saturated fatty acidA fatty acid with a carbon chain full of hydrogen atoms, meaning no carbon-carbon double bonds; usually from animal sources and solid at room temperature.26
5105157499unsaturated fatty acidA fatty acid with a carbon chain that includes one or more carbon-carbon double bonds; usually from plant sources and liquid at room temperature. Monounsaturated fatty acids have one carbon-carbon double bond and polyunsaturated fatty acids have two or more double bonds.27
5105273715CohesionThe force of attraction between molecules of the same substance. Water sticks to water.28
5105273716AdhesionThe force of attraction between different substances, such as glass and water.29
5105275690Universal SolventWater's ability to dissovle more substances than any other liquid.30
5105275691Ice is less denseIce is less dense than water because the orientation of hydrogen bonds causes molecules to push farther apart, which lowers the density31
5105278168High Specific HeatWater requires a lot of energy to change the temperature one degree celcius. This allows large bodies of water to regulate the temperature near by.32
5105278169Evaporative CoolingWater evaoprates from a liquid to a gas, releasing heat from the surface thus allowing it to cool.33
5105279622Ionic BondElectrons between two elements are given/taken. (aka stolen)34
5105279623Covalent BondElectrons between two elements are shared.35
5105281072Nonpolar Covalent BondElectrons are shared equally, no charge.36
5105281073Polar Covalent BondElectrons are shared unequally, charge.37
5105282721Hydrogen BondA weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.38
5105283974Atomic MassThe number of protons and nuetrons of an element.39
5105285857Atomic NumberThe number of protons and electrons of an element.40

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