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Campbell Biology Chapter 5 Flashcards

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1778363779Macromoleculespolymers built from monomers Carbohydrates Proteins Nucleic Acids0
1778363780Carbohydratesserve as fuel and building material1
1778363781Lipidsdiverse group of hydrophobic molecules one class of large biological molecules that do not form2
1778363782Proteinsinclude a diversity of structures, resulting in a wide range of functions3
1778363783Nucleic acidsstore, transmit, and help express hereditary and application polymers made of monomers called nucleotides4
17783637844 important large moleculescarbohydrates lipids proteins nucleic acid5
1778363785alcohol dehydrogenousbreaks down alcohol in the body6
1778363786polymerslong molecules consisting of many similar or identical building blocks linked by covalent bonds7
1778363787monomersrepeating units that serve as building blocks of a polymer8
1778363788enzymesspecialized macro-molecules that speed up chemical reactions9
1778363789dehydration reactionreaction in which two molecules are covalently bonded, with the loss of a water molecule10
1778363790hydrolysisprocess that is the reverse of dehydration reaction water breakage bond between monomers is broken by the addition of a water molecule11
1778363791Carbohydratessugars and polymers of sugars12
1778363792Monosaccharidessimple sugars CH2O13
1778363793Trioses3 - carbon sugars C3H6O314
1778363794Pentoses5 - carbon sugars C5H10O515
1778363795Hexoses6 - carbon sugars C6H12O616
1778363796Disaccharidetwo monosaccharides joined by glycosidic linkage17
1778363797glycosidic linkagecovalent bond between two monosaccharides by a dehydration reaction18
1778363798polysaccharidesmacro-molecules storage material, hydrolyzed as needed to provide sugar for cells, building material for structures that protect the cell or the whole organism19
1778363799starchpolymer of glucose monomers stored as granules within plastids represent stored energy withdrawn by hydrolysis20
1778363800glycogenpolysaccharide glucose that is like amylopectin but more intensely branched21
1778363801cellulosemajor component of tough walls that enclose plant cells aids in poop22
1778363802starch moleculeslargely helical23
1778363803cellulose moleculestraight never branched24
1778363804microfibrilsparallel cellulose molecules held together by hydrogen bonds25
1778363805chitincarbohydrates used by arthropods (insects) to build their exoskeletons26
1786661424polymerhydrophobic consist of mostly hydrocarbons from non-polar bonds27
1786661425fatsconstructed from two types of smaller molecules: gylcerol and fatty acids energy storage stored in Adipose cells28
1786661426fatty acidcarboxyl group with long carbon skeleton29
1786661427saturated fatty acidsmaximum number of hydrogen atoms possible and double bonds30
1786661428triacylgecerol3 fatty acids linked to one glycerol molecule31
1786661429trans fathydrogenation of unsaturated to saturated32
1786661430phospholidtwo fatty acids and an phosphate group are attached to gylcerol hydrophobic form bilayer cell makes wall33
1786661431steroidscarbon skeleton consisting of four fused rings34
1786661432cholesterolimportant steroid35
1786661433catalystchemical agents that selectively speed up chemical reactions without being consumed by the reaction36
1786661434polypeptidebond between amino acids called a peptide bond A polymer of amino acids37
1786661435proteinbiologically functional molecule made up of one or more polypeptides, folded and coiled into a specific three-dimensional structure38
1786661436amino acidan organic molecule with both an amino group and a carboxyl group39
1786661437Enzymatic proteinsprotein function selective acceleration of chemical reactions40
1786661438Storage Proteinsprotein function storage of amino acids41
1786661439Hormonal Proteinsprotein function coordination of an organisms activities42
1786661440contractile and motor proteinsprotein function aids in movement43
1786661441Defensive Proteinsprotein function protection against disease44
1786661442Transport Proteinsprotein function Transport of substances45
1786661443Receptor Proteinsprotein function response of cell to chemical stimuli46
1786661444Structural Proteinsprotein function support47
1786661445peptide bondcovalent bond resulting from two amino acids joined by dehydration reactions yield a polypeptide48
1786661446polypeptide backbonerepeating sequence of atoms49
1786661447Primary StructureLinear chain of amino acids dictates secondary and tertiary structure due to the chemical nature of the backbone and the side chains of the amino acids along the polypeptide has a carboxyl end50
1786661448Secondary Structureregions stabilized by hydrogen bonds between atoms of the polypeptide backbone51
1786661449helix⍺ a delicate coil held together by hydrogen bonding between every fourth amino acid52
1786661450pleated sheetβ two or more segments of the polypeptide chain lying side by side are connected by the hydrogen bonds between parts of the two parallel segments of the polypeptide backbone53
1786661451Tertiary Structurethree-dimensional shape stabilized by interactions between side chains overall shape of the polypeptide resulting from interactions between the side chains of the various amino acids54
1786661452hydrophobic interactionsmisleading amino acids with hydrophobic side chains usually end up in clusters at the core of the protein out of contact with water caused by the exclusion of nonpolar substances by water molecules55
1786661453disulfide bridgescovalent bonds that reinforce the shape of a protein form where two cysteine monomers are brought close together by the folding of the protein56
1786661454Quaternary Structureassociation of two or more polypeptides (some proteins only) overall protein structure that results from the aggregation of these polypeptide subunits57
1786661455collagenfibrous proteins that has three identical helical polypeptides intertwined into a larger triple helix giving the long fibers great strength58
1786661456hemoglobinoxygen-binding protein of red blood cells protein that carries oxygen in red blood cells59
1786661457sickle-cell diseaseinherited blood disorder caused by the substitution of one amino acid for the normal one at a particular position in the primary structure of hemoglobin60
1786661458denaturationprotein unraveling and losing its native shape transferred from an aqueous environment to a nonpolar solvent agents that disrupt the hydrogen bonds, ionic bonds, and disulfide bridges that maintain proteins shape excessive heat61
1786661459chaperoninsassist in the proper folding of the protein DO NOT specify the final structure of a polypeptide keep the polypeptide segregated from disruptive chemical conditions in the cytoplasmic environment while it folds spontaneously provides a shelter for folding polypeptides62
1786661460X-ray crystallographydetermine the 3D structure of many other proteins63
1786661461bio-informaticspredict structure from their amino acid sequence64
1786661462geneunit of inheritance65
1786661463ribosomessite of protein synthesis between nucleus and the plasma membrane66
1786661464polynucleotidesnucleic acids are macromolecules that exist as polymers67
1786661465nucleotidescomposed of 5 carbon sugars (pentose), nitrogen-containing base, and one or more phosphate groups68
1786661466nucleosideportion of a nucleotide without any phosphate group69
1786661467pyrimidineone six-membered ring of carbon and nitrogen atoms cytosine, thymine, uracil70
1786661468purineslarger than pyrimidine six-membered ring fused to a five-membered ring adenine, guanine71
1786661469deoxyriboseDNA sugar to which the nitrogenous base is attached72
1786661470RiboseRNA sugar to which the nitrogenous base is attached73
1786661471sugar-phosphate backbonebonding result in a repeating pattern of sugar-phosphate units74
1786661472double helixtwo "strands" winding around an imaginary axis75
1786661473antiparallelopposite 5' -> 3' directions from each other76
1786661474DNA sequencingdetermining the sequence of nucleotides along a DNA strand77
1786661475genomicsstudy of genes78
1786661476proteomicsanalysis of large sets of proteins including their sequences79

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