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Campbell AP Biology--CHAPTER 4, Campbell AP Biology--CHAPTER 5 Flashcards

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7802521944organic chemistryThe study of carbon & hydrogen compounds (organic compounds).0
7802521945carbonthis atom has 4 electrons in valence shell and can form 4 covalent bonds with other atoms1
7802521946hydrocarbonAn organic molecule consisting only of carbon and hydrogen.2
7802521947isomerOne of several compounds with the same molecular formula but different structures and therefore different properties. The three types are structural, geometric, and enantiomers.3
7802521948structural isomerOne or several compounds that have the same molecular formula but differ in the covalent arrangement of their atoms. (DIFFERENT SHAPE)4
7802521949geometric isomerOne of several compounds that have the same molecular formula and covalent bonds between atoms but differ in the spatial arrangements of their atoms owing to the inflexibility of double bonds (DIFFERENT ARRANGEMENT)5
7802521950enantiomerOne or two compounds that are mirror images of each other and that differ in shape due to the presence of an asymmetric carbon. (MIRROR IMAGE)6
7802521951estradiolA steroid hormone that stimulates the development and maintenance of the female reproductive system and secondary sex characteristics; the major estrogen in mammals.7
7802521952testosteroneAsteroid hormone required for development of the male reproductive system, spermatogenesis, and male secondary sex characteristics; the major androgen in mammals.8
7802521953functional groupsA specific configuration of atoms commonly attached to the carbon skeletons of organic molecules and involved in chemical reactions.9
7802521954hydroxyl groupA chemical group consisting of an oxygen atom joined to a hydrogen atom. Molecules possessing this group are soluble in water and are called alcohols.10
7802521955ketone groupA chemical group consisting of a carbon double bonded to oxygen (must be in middle of chain)11
7802521956ester groupA chemical group consisting of a carbon double bonded to oxygen and single bonded to another oxygen (must be in middler of chain)12
7802521957aldehyde groupA chemical group consisting of a carbon double bonded to oxygen and single bonded to hydrogen (must be at end of chain)13
7802521958carboxyl groupA chemical group consisting of a single carbon atom double-bonded to an oxygen atom and also bonded to a hydroxyl group14
7802521959ionized carboxyl groupA chemical group consisting of a single carbon atom double-bonded to an oxygen atom and also bonded to a negatively charged oxygen15
7802521960amino groupA chemical group consisting of a nitrogen atom bonded to two hydrogen atoms can act as a base in solution, accepting a hydrogen ion and acquiring a charge of 1⁺16
7802521961sulfhydryl groupA chemical group consisting of a sulfur atom bonded to a hydrogen atom.17
7802521962phosphate groupA chemical group consisting of a phosphate atom bonded to four oxygen atoms; important in energy transfer.18
7802521963Carbohydrates, proteins, lipids, and nucleic acidsName the 4 types of macromolecules19
7802521964MetabolismAll the chemical conversions that occur within a cell Metabolism = anabolism + catabolism20
7802521965CatabolismConversion of complex organic molecules into smaller molecules by breaking chemical bonds21
7802521966AnabolismConversion of small organic molecules by forming chemical bonds between smaller molecules22
7802521967HydrolysisPocess that is the reverse of dehydration synthesis. In __________, or water breakage, the bond between monomers is broken by the addition of a water molecule.23
7802521968Dehydration synthesisReaction in which two molecules are covalently bonded, with the loss of a water molecule24
7802521969PolymersLong molecules consisting of many similar or identical building blocks linked by covalent bonds.25
7802521970Glycosidic linkageIn carbohydrates, monosaccharides are joined together in a covalent bond called __________ _______.26
7802521971MonosaccharidesCarbohydrates are made up of _______________.27
7802521972MonosaccharideThe monomer in a carbohydrate is a(n) ______________. EX: Glucose28
7802521973DisaccharideTwo monosaccharides covalently bonded form a ____________. EX: Sucrose29
7802521974PolysaccharideThree or more monosaccharides linked together form a ______________.30
7802521975Glycosidic linkageThe bond in a carbohydrate is a(n) __________ _______.31
7802521976Chitin; celluloseTwo examples of structural carbohydrates are ______ and _________.32
7802521977CellulosePolymer of β glucose monomers that is found in plant cell walls33
7802521978Glycogen; starchStored carbohydrate in an animal is called ________; in a plant, it is ______.34
7802521979α glucoseStarch and glycogen are polymers of ________ molecules.35
7802521980PolymersLipids are the only large biological molecules that do not form __________.36
7802521981LipidsCushioning of organs, insulation, and energy storage are three functions of ___________.37
7802521982Glycerol; fatty acid chainsTriglyceride is composed of a ______ and three ____ _____ ______.38
7802521983Unsaturated fatsFats with one or more double covalent bonds, which is less likely to solidify and more flexible.39
7802521984PhospholipidBasic structural component of cell membranes, with a polar/hydrophilic head region and a nonpolar/hydrophobic tail region, giving membranes their selective permeability.40
7802521985SteroidLipid characterized by a carbon skeleton consisting of hydrogen-fused rings.41
7802521986HDLGood cholesterol is called ___ ____________. HINT: Keep your ____ HIGH :-)42
7802521987LDLThe bad cholesterol, which can harden in arteries. HINT: Keep your ____ LOW :-)43
7802521988Ester linkageIn a triglyceride, the ---OH of glycerol loses a H and the ---COOH of the fatty acid chain loses a ---OH which joins to form water in a(n) _____ _______.44
7802521989Amino acidThe monomer in a protein is a(n) _____ ____.45
7802521990Amino; carboxyl; RAmino acids are formed of a(n) _____ group with a(n) ________ group and a(n) _ group side chain.46
780252199120# different amino acids which can assemble according to genetic code to make different proteins.47
7802521992PeptideIn a _______ bond, the ---COOH group in one amino acid loses an ---OH and the ---NH2 group in another amino acid loses a H.48
7802521993PolypeptideThe polymer in a protein is a(n) ___________.49
78025219943D structureThe amino acid sequence ultimately determine the __ _________ of proteins.50
7802521995StructureA protein's _________ determines its function.51
7802521996PrimaryAt the _______ level of protein structure, a linear sequence of amino acids is joined by peptide bonds to form a polypeptide.52
7802521997SecondaryAt the _________ level of protein structure, hydrogen bonds form between the partial positive hydrogen atom of amine groups and the partial negative oxygen atom of carboxyl groups.53
7802521998β Pleated Sheet__ ___________ ______________ are a secondary structure found in proteins.54
7802521999α Helix___ ___________ are a secondary structure found in proteins.55
7802522000TertiaryAt the ________ level of protein structure, various chemical associations in precise regions of a polypeptide cause it to fold into a 3D shape that will determine its function.56
7802522001QuaternaryAt the __________ level of protein structure, 2 to 4 completely formed polypeptides combine.57
7802522002Sickle cell anemiaIn this disease, one amino acid at the primary level (valine) replaces glutamic acid and the result is a distorted shape at the subsequent levels.58
7802522003HormonalInsulin and glucagon are examples of _________ proteins.59
7802522004Receptor________ proteins are embedded in all membranes and allow cells to interact with molecules and other cells.60
7802522005Contractile/Movement___________ proteins, such as actin and myosin, are found in muscle cells.61
7802522006Transport_____________ proteins move molecules into and out of cells.62
7802522007Defensive_________ proteins, like antibodies, are produced in response to antigens and bind to them.63
7802522008DenaturationExcessive heat can cause ____________, in which a protein unravels and loses its native shape.64
7802522009ChaperoninsAssist in the proper folding of the protein by keeping the polypeptide segregated from disruptive chemical conditions in the cytoplasmic and create a hydrophilic environment for folding polypeptides65
7802522010NucleotidesNucleic acids are composed of ___________.66
7802522011PolynucleotideThe polymer in a nucleic acid is a(n) ______________.67
7802522012Phosphodiester bondsNucleotides link together via ________ _____ to form nucleic acid.68
7802522013RiboseThe sugar in RNA is ______.69
7802522014deoxyriboseThe sugar in DNA is ______.70
7802522015A, T, C, GThe nitrogenous bases in DNA are ____.71
7802522016A, U, C, GThe nitrogenous bases in RNA are ____.72
7802522017HydrogenNitrogenous bases in DNA and RNA form complementary base pairs by forming ____________ bonds.73
7802522018sugars; phosphate groupsThe backbone of DNA and RNA molecules is composed of alternating _____________ and ______________.74

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