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AP Biology- Macromolecules Flashcards

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8525295860nonpolarelectrons shared equally0
8525295861polarelectrons shared unequally1
8525295862monosaccharideC6H12O6 simple sugar; glucose, galactose, and fructose2
8525295863disaccharidetwo monosaccharides joined together; C12H22O1; maltose, lactose, and sucrose3
8525295864dehydration synthesiscondensation; joining compounds together with water released4
8525295865hydrolysisbreakdown of a compound by adding water5
8525295866polysaccharidepolymers of carbohydrates6
8525295867cellulosestructural polysaccharide that makes up plant cell walls7
8525295868starchstorage polysaccharide found in plants8
8525295869fatty acidhydrocarbon chain with a carboxyl group at one end; majority portion in lipids9
8525295870saturated fatfat without double bonds10
8525295871unsaturated fatfat with double bonds11
8525295872peptide bondbond creating amino acid chains or polymers12
8525295873primary structurelinear sequence of amino acids; peptide bonds13
8525295874secondary structureprotein formed with hydrogen bonds14
8525295875tertiary structure3D conformation formed; determines specificity15
8525295876quaternary structureprotein with more than one polypeptide chain16
8525295877alpha helixsecondary structure form of a protein; human hair (keratin)17
8525295878beta pleated sheetsecondary structure form of a protein; spider webs and silk18
8525295879functional groupcomponents of organic molecules most often involved in chemical reactions19
8525295880metabolismsum of all chemical reactions that take place in cell20
8525295881cohesioncapacity to resist tension to rupture21
8525295882polymerlong molecule consisting of many similar or identical monomers linked together22
8525295883monomerbuilding block for polymers; only made by producers23
8525295884adhesionattraction between different kinds of molecules24
8525295885surface tensionmeasure of how difficult it is to stretch or break the surface of a liquid25
8525295886evaporative cooling / heat of vaporizationproperty of a liquid where the surface becomes cooler during evaporation due to the loss of molecules26
8525295887disulfide bridgetertiary structure; strong covalent bond formed when one sulfur of one cysteine monomer bonds to the sulfur of another27
8525295888hydrophobic interactiontertiary structure; weak chemical bond formed when molecules that do not mix with water change to exclude the water28
8525295889hydrocarbonorganic molecule consisting of only hydrogen and carbon29
8525295890macromoleculegiant molecule formed by the joining of smaller molecules30
8525295891glycosodic linkagecovalent bond formed between two monosaccharides by a dehydration synthesis reaction31
8525295892nucleotidebuilding block of a nucleic acid; five carbon sugar covalently bonded to a nitrogen base and a phosphate group32
8525295893pyramidinecytosine, thymine, and uracil; six-membered ring33
8525295894purineadenine and guanine; six-membered ring fused to a five-membered ring34
8525295895hydroxylhydrogen bonded to oxygen bonded to an organic molecule's carbon skeleton; alcohol; polar35
8525295896carboxyloxygen double bonded to a carbon atom that is bonded to a hydroxyl group36
8525295897aminenitrogen bonded to two hydrogens and to the carbon skeleton37
8525295898sulfhydrylsulfur bonded to hydrogen in roughly the shape of a hydroxyl; cysteine38
8525295899phosphatephosphorous bonded to four oxygens, two have negative charges, one is bonded to the carbon skeleton; phospholipid39
8525295900compartmentalizationmembrane enclosed regions that allow a eukaryotic cell to increase surface area and have specialized regions for chemical reactions.40
8525295901passive transportmovement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input41
8525295902active transportmovement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration in the direction against some gradient42
8525295903endocytosisform of active transport in which a cell transports molecules (such as proteins) into the cell (endo- + cytosis) by engulfing them in an energy-using process.43
8525295904exocytosisa process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane.44
8525295905surface areaThe measurement of the outer surface of an object.45
8525295906volumeAmount of space occupied by an object46
8525295907water potentialThe physical property predicting the direction in which water will flow, governed by solute concentration and applied pressure.47
8525295908osmosisDiffusion of water through a selectively permeable membrane48

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