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AP Biology - Macromolecules Flashcards

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4869215642polymerA large molecule composed of repeating structural units or monomers.0
4869215643monomerA molecule of any compound that can react with other molecules of the same or different compound to form a polymer. Each biological macromolecule has characteristic monomers.1
4869215644carbohydrate"Compound containing carbon, hydrogen, and oxygen in the approximate ratio of C:2H:O (e.g., sugars, starches, and cellulose)"2
4869215645proteinClass of nutrients made up of amino acids. They are needed to build and repair body structures, and to regulate processes in the body3
4869215646lipidOrganic molecules made of carbon, hydrogen, and oxygen and store food energy until needed (Fats)4
4869215647nucleic acidA biological macromolecule (DNA or RNA) composed of the elements C, H, N, O, and P that carries genetic information.5
4869215648amino acidBuilding blocks of protein6
4869215649monosaccharideA simple sugar that is the basic subunit of a carbohydrate7
4869215650nucleotideMonomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base8
4869215651fatty acidBuilding Blocks of Lipids9
4869215652macromoleculeA very large molecule (as of a protein, nucleic acid, or carbohydrate) built up from smaller chemical structures10
4869215653enzymeA protein that makes a reaction happen QUICKER; decreases activation energy of a reaction.11
4869215654dehydration synthesisA chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule.12
4869215655hydrolysisBreaking down complex molecules (polymers) by the chemical addition of water. Used in digestion.13
4869215656polysaccharidea carbohydrate that is composed of many monosaccharide units joined together14
4869215657glucoseA simple sugar that is an important source of energy.15
4869215658-aseUsed in naming enzymes16
4869215659-oseWhat is the common ending of the name of most simple sugars?17
4869215660Functional groupthe portion of a molecule that is active in a chemical reaction and that determines the properties of many organic compounds18
4869215661HydroxylFunctional group found in carbohydrates A chemical group consisting of an oxygen atom bonded to a hydrogen atom (-OH).19
4869215662Carboxyl Group-COOH Organic acids contain this functional group20
4869215663Amino groupA functional group that consists of a nitrogen atom bonded to two hydrogen atoms21
4869215664Active siteRegion of an enzyme into which a particular substrate fits.22
4869215665SubstrateA substance on which an enzyme acts during a chemical reaction.23
4869215666ProductA substance produced in a chemical reaction24
4869215667Condensation 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.25
4869215668Carbonnon-metal that can from 4 bonds with other elements26
4869215669Hydrocarbonan organic compound composed only of carbon and hydrogen27
4869215670TriglycerideCirculate in the blood and are made up of three fatty acids attached to a glycerol.28
4869215671GlucoseA simple sugar that is an important source of energy.29
4869215672GlycerolA three-carbon alcohol to which fatty acids are covalently bonded to make fats and oils.30
4869215673CatalystA substance that speeds up the rate of a chemical reaction.31
4869215674polymerA long molecule consisting of many similar or identical building blocks linked by covalent bonds32
4869215675macromoleculeA very large organic molecule composed of many smaller molecules33
4869215676organic compounda covalently bonded compound that contains carbon34
4869215677disaccharideA molecule composed of two monosaccharides. Common disaccharides include maltose, sucrose, and lactose.35
4869215678polysaccharideA polymer of thousands of simple sugars formed by dehydration synthesis. a carbohydrate that is composed of many monosaccharide units joined together36
4869215679monosaccharideA simple sugar that is the basic subunit of a carbohydrate37
4869215680polypeptideA polymer (chain) of many amino acids linked together by peptide bonds.38
4869215681peptideBonds that connect amino acids.39
4869215682denatureA change in the shape of a protein (such as an enzyme) that can be caused by changes in temperature or pH (among other things).40
4869215683fatty acidBuilding Blocks of Lipids41
4869215684enzyme-substrate complexThe combination of the enzyme and substrate42
4869215685saturated 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.43
4869215686unsaturated 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.44
4869215687Protein structure-The function of a protein depends on the protein's 3D shape45
4869215688Activation energyThe minimum amount of energy needed to start a chemical reaction46
4869215689Biochemical reactionChemical reactions that take place inside the cells of living things.47
4869215690enzymeA type of protein that speeds up a chemical reaction in a living thing48
4869215691active siteRegion of an enzyme into which a particular substrate fits.49
4869215692substrateThe reactant on which an enzyme works.50
4869215693productA substance produced in a chemical reaction51
4869215694catalystA substance that speeds up the rate of a chemical reaction.52
4869215695protein structurethe structure of a protein determines its function53
4869215696primary protein structure (honors only)amino acid sequence54
4869215697secondary protein structure (honors only)Areas of folding or coiling within a protein; examples include alpha helices and pleated sheets, which are stabilized by hydrogen bonding.55
4869215698tertiary protein structure (honors only)intricate, 3-D shape (conformation) of a protein that is superimposed on its secondary structure; determines protein specificity56
4869215699quaternary protein structure2+ protein chains forming functional protein57

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