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AP Biology- Unit 2 Flashcards

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7441896536nonpolarelectrons shared equally0
7441896537polarelectrons shared unequally1
7441896538monosaccharideC6H12O6 simple sugar; glucose, galactose, and fructose2
7441896539disaccharidetwo monosaccharides joined together; C12H22O1; maltose, lactose, and sucrose3
7441896540dehydration synthesiscondensation; joining compounds together with water released4
7441896541hydrolysisbreakdown of a compound by adding water5
7441896542polysaccharidepolymers of carbohydrates6
7441896543cellulosestructural polysaccharide that makes up plant cell walls7
7441896544starchstorage polysaccharide found in plants8
7441896545fatty acidhydrocarbon chain with a carboxyl group at one end; majority portion in lipids9
7441896546saturated fatfat without double bonds10
7441896547unsaturated fatfat with double bonds11
7441896548peptide bondbond creating amino acid chains or polymers12
7441896549primary structurelinear sequence of amino acids; peptide bonds13
7441896550secondary structureprotein formed with hydrogen bonds14
7441896551tertiary structure3D conformation formed; determines specificity15
7441896552quaternary structureprotein with more than one polypeptide chain16
7441896553alpha helixsecondary structure form of a protein; human hair (keratin)17
7441896554beta pleated sheetsecondary structure form of a protein; spider webs and silk18
7441896555functional groupcomponents of organic molecules most often involved in chemical reactions19
7441896557cohesioncapacity to resist tension to rupture20
7441896558polymerlong molecule consisting of many similar or identical monomers linked together21
7441896559monomerbuilding block for polymers; only made by producers22
7441896560adhesionattraction between different kinds of molecules23
7441896561surface tensionmeasure of how difficult it is to stretch or break the surface of a liquid24
7441896562evaporative cooling / heat of vaporizationproperty of a liquid where the surface becomes cooler during evaporation due to the loss of molecules25
7441896564hydrophobic interactiontertiary structure; weak chemical bond formed when molecules that do not mix with water change to exclude the water26
7441896565hydrocarbonorganic molecule consisting of only hydrogen and carbon27
7441896566macromoleculegiant molecule formed by the joining of smaller molecules28
7441896568nucleotidebuilding block of a nucleic acid; five carbon sugar covalently bonded to a nitrogen base and a phosphate group29
7441896571hydroxylhydrogen bonded to oxygen bonded to an organic molecule's carbon skeleton; alcohol; polar30
7441896572carboxyloxygen double bonded to a carbon atom that is bonded to a hydroxyl group31
7441896573aminenitrogen bonded to two hydrogens and to the carbon skeleton32
7441896574sulfhydrylsulfur bonded to hydrogen in roughly the shape of a hydroxyl; cysteine33
7441896575phosphatephosphorous bonded to four oxygens, two have negative charges, one is bonded to the carbon skeleton; phospholipid34
7441955271denaturationprocess in which a protein loses shape and function due to changes in their environment (pH, temperature)35
7442018451competitive inhibitormolecule that closely resembles the shape of a substrate for an enzyme36
7517911483enzymesspecific, reusable, catalyzes a chemical reaction37

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