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Basic Biochemistry AP Biology Flashcards

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5654317678Catabolic pathwaysmetabolic pathways that breaks down molecules into smaller units to release energy0
5654317679Word Roots: an-not (anaerobic: chemical reaction not using oxygen)1
5654317680Word Roots: glyco-sweet;2
5654317681Word Roots: -lysissplit (glycolysis: the splitting of glucose into pyruvate)3
5654317682Word Roots: -photolight4
5654317683proton charge+1,5
5654317684proton mass in amu.16
5654317685electron charge-17
5654317686neutron charge08
5654317687proton locationnucleus9
5654317688neutron locationnucleus10
5654317689electron locationoutside nucleus in orbitals11
5654317690electron mass in amu.012
5654317691neutron mass in amu.113
5654317692isotopesatoms of one element that vary only in amount of neutrons. chemically identical.14
5654317693ionic bondstransfer of electrons15
5654317694Anionan atom that gains electrons (negative ion)16
5654317695Cationan atom that loses an electron (positive ion)17
5654317696covalent bondsatoms share electrons, creating a molecule18
5654317697single covalent bondtwo atoms share a pair of electrons19
5654317698non-polar bondelectrons are shared equally between two identical atoms. H-H. will not dissolve in water20
5654317699polar bondatoms are shared unequally. C-H. will dissolve in water21
5654317700specific heatthe amount of heat a substance must absorb to increase 1 gram of the substance by 1C22
5654317701bicarbonate ionblood buffer23
5654317702universal solventwater24
5654317703organic compounda compound that contains carbon25
5654317704carbonalways forms 4 covalent bonds26
5654317705major classes of organic compoundscarbohydrates, lipids, proteins, and nucleic acids27
5654317706ratio of hydrogen to oxygen in a carbohydrate2/128
5654317707empirical formula for all carbsCnH2O29
5654317708three classes of carbohydratesmonosaccharides, disaccharides, and polysaccharides.30
5654317709monosaccharideschemical formula: C6 H12 O6. Glucose, galactose, and fructose (isomers of one another).31
5654317710disaccharideschem formula: C12 H22 O11. consist of two monosaccharides joined by dehydration synthesis/condensation (removal of one molecule of water)32
5654317711sucrose + water --> glucose + fructoseand example of hydrolysis33
5654317712polysaccharidespolymers of carbohydrates and are formed as many monos. join via dehydration synthesis.34
5654317713five important polysaccharidescellulose, starch, chitin, glycogen, peptidoglycan35
5654317714chitinimportant polysaccharide, found in animals. makes up exoskeleton in arthropods (and cell walls in mushrooms) Contains peptide cross bridges.36
5654317715glycogenimportant polysaccharide, "animal starch". stored in liver and skeletal muscle in humans.37
5654317716lipidsfunctions: energy storage, structure, and endocrine. organic compouds: fats, oils, waxes, and steroids. hydrophobic. consist of 1 glycerol and 3 fatty acids.38
5654317717glycerola trihydoroxy alcohol39
5654317718fatty acida longnhydrocarbon chain with a carboxyl group at one end. either saturated or unsaturated40
5654317719steroidslipid based hormones ex: testosterone, cholesterol, and estradiol.41
5654317720saturated fatsgenerally come from animals, solid at room temp, linked to heart disease. ex: butter!42
5654317721proteinsenzymes, most hormones, antibodies, structural, pigments etc....43
5654317722-OHhydroxyl group44
5654317723PO4-2phosphate group45
5654317724dipeptidea molecule consisting of tow amino acids connected by one peptide bond46
5654317725nucleic acideither RNA or DNA. polymers, carry all heriditary info. made of nucleotides.47
5654317726nucleic acid make-upa phosphate, 5-carbon sugar, nitrogenous base48
5654317727induced fitThe change in shape of the active site of an enzyme, induced by entry of the substrate so that it binds more snugly to the substrate.49
5654317728kinetic energyThe energy of motion; the energy of a mass of matter that is moving. Moving matter does work by imparting motion to other matter.50
5654317729metabolic pathwayA series of chemical reactions that either builds a complex molecule or breaks down a complex molecule into simpler compounds.51
5654317730metabolismThe totality of an organism's chemical reactions.52
5654317731non-competitive inhibitorA substance that impedes the activity of an enzyme without entering an active site. By binding elsewhere on the enzyme, a noncompetitive inhibitor changes the shape of the enzyme so that the active site no longer functions.53
5654317732potential energyThe energy that matter possesses because of its location or arrangement. Water behind a dam and chemical bonds possess potential energy.54
5654317733substrate(1) A specific substance (reactant) on which an enzyme acts. Each enzyme recognizes only the specific substrate or substrates of the reaction it catalyzes. (2) A surface in or on which an organism lives.55
5654317734cholesterollipid used as the base for many steroids56
5654317735Phospholipids in Cell MembranesA phosphate group (PO4-) replaces one of the three fatty acids normally found on a lipid. The addition of this group makes a polar "head" and two nonpolar "tails". Aligned tail to tail so the nonpolar areas form a hydrophobic region between the hydrophilic heads on the inner and outer surfaces of the membrane.57
5654317736active siteThe part of an enzyme molecule where a substrate molecule attaches (by means of weak chemical bonds); typically, a pocket or groove on the enzyme's surface.58
5654317737adenosine triphosphate (ATP)main energy source for cells59
5654317738co enzymeAn organic molecule serving as a cofactor. Most vitamins function as coenzymes in important metabolic reactions.60
5654317739competitive inhibitorA substance that reduces the activity of an enzyme by binding to the enzyme's active site in place of the substrate. A competitive inhibitor's structure mimics that of the enzyme's substrate.61
5654317740endergonic reactionAn energy-requiring chemical reaction, which yields products with more potential energy than the reactants.62
5654317741energy of activationThe amount of energy that reactants must absorb before a chemical reaction will start.63
5654317742entropyA measure of disorder or randomness. also called S64
5654317743enzymeA protein (or RNA molecule) that serves as a biological catalyst, changing the rate of a chemical reaction without itself being changed into a different molecule in the process.65
5654317744exergonic reactionAn energy-releasing chemical reaction in which the reactants contain more potential energy than the products.66
5654317745first law of thermodynamicsThe principle of conservation of energy. Energy can be transferred and transformed, but it cannot be created or destroyed.67
5654317746fluid mosaicA description of membrane structure, depicting a cellular membrane as a mosaic of diverse protein molecules embedded in a fluid bilayer made of phospholipid molecules.68
5654317747CatabolismThe breaking down of materials69
5654317748Oxidative PhosphorolationThe production of ATP from ADP and P during Cellular Respiration ( oxidation of glucose)70
5654317749PhotophosphorolationThe production of ATP from ADP and P during the Light Reaction of Photosynthesis.71
5654317750Peptide bondThe bond between two amino acids72
5654317751Condensation Reactionanother name for Dehydration Synthesis73
5654317752amino acidBuilding blocks of protein (monomer)74
5654317753amine groupthe nitrogen-containing portion of an amino acid -NH275
5654317754carboxyl groupA functional group present in organic acids -COOH76
5654317755R groupAmino acid side chain- different for each amino acid. It is always off the middle carbon77
5654317756peptide bondThe chemical bond that forms between the carboxyl group of one amino acid and the amino group of another amino acid78
5654317757dipeptideTwo amino acids bonded together79
5654317758condensation reactionA reaction in which two molecules become covalently bonded to each other through the loss of a water. Also called Dehydration Synthesis.80
5654317759hydrolysisBreaking down molecules by the chemical addition of water. The opposite of Dehydration Synthesis81
5654317760primary structureThe specific sequence of amino acids making up a polypeptide chain.82
5654317761secondary structurelevel of protein structure consisting of beta pleated sheets and alpha helices. Caused by Ionic and Hydrogen bonding between adjacent amino acids83
5654317762tertiary structure3D shape of single polypeptide using hydrogen bonding, ioning bonding and disulfide bridges84
5654317763quaternary structureThe shape resulting from the association of two or more polypeptide subunits.85
5654317764NonCompetitive Inhibition (Allosteirc)When a molecule blocks an enzyme action by binding to a site other than the active site86
5654317765Enthalpyis a measure of Heat87
5654317766Entropyis a measure of Disorder (messiness)88
5654317767Chargaffscientist who discovered that A-T and G-C always equal in % in organisms89
5654317768Rosalind FranklinX-Ray of DNA helped decipher the structure of DNA90
5654317769Watson and Crickwon the Nobel prize for figuring out DNA's double helix structure91
5654317770PhospholipidOne phosphate replaces a fatty acid to make a polar end to the molecule92
5654317771Mutationany change in the DNA of an organism93
5654317772Lactaseenzyme necessary to break down lactose94
5654317773Phosphodiester bondthe bond between the phosphate of one nucleotide and the Sugar of another95
5654317774Specific HeatThe amount of heat required to raise the temp of 1 gram of water(l) by 1 degree Celsius96
5654317775AntiparallelThe way the two strands of DNA run in a molecule97
5654317776Allosteric Inhibition98
5654317777Competitive inhibition99
5654317778Surface Tensionon the surface of water, the result of Hydrogen bonding100
5654317779Capillary actionthe result of adhesion and cohesion, it is the rising of water in a thin tube.101
5654317780Sulfhydryl groupthis functional group is found in amino acids they form disulfide bridges in proteins102
5654317781By destroying Hydrogen and/or Ionic bondsHow can pH damage Enzyme Structure103
5654317782monomer of nucleic acidnucleotide104
5654317783subunits of proteinsamino acids105
5654317784important component of hair and muscleproteins106
5654317785store and transmit genetic infonucleic acids107
5654317786provide body with immediate energycarbohydrates108
5654317787contain twice as much hydrogen as carboncarbohydrates109
5654317788store enough energy for a bear to hibernatelipid110
5654317789contains carbon, hydrogen, oxygen and nitrogenprotein111
5654317790polysaccharide that makes up the exoskeleton of insectschitin112
5654317791protein that keeps us healthy by fighting off infectionantibodies113
5654317792long, chain like molecule made up of many repeating monomerspolymer114
5654317793group of organic compounds rich containing C, H, and O with a very high H to O ratiolipids115
5654317794sugar found in fruitfrutose116
5654317795along with a sugar and a nitrogenous base, makes up a nucletidephosphate117
5654317796disaccharide known as table sugarsucrose118
5654317797polysaccharide in which animals store excess carbs (animal starch)glycogen119
5654317798double stranded nucleic acidDNA120
5654317799protein that sends messages through the bodyhormones121
5654317800polysaccharides found in plant cell walls (commonly called cellulose)fiber122
5654317801monosaccharide that cells can useglucose123
5654317802lipidsenergy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen124
5654317803proteinmacromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair and to make up enzymes125
5654317804nucleic acidan organic compound, either RNA or DNA, whose molecules are made up of one or two chains of nucleotides and carry genetic information contains hydrogen carbon oxygen nitrogen and sometimes sulfur126
5654317805carbsorganic compounds, composed of carbon, hydrogen and oxygen, ratio of one carbon atom to two hydrogen atoms to one oxygen atom127
5654317806starchpolysaccharide in plant cells that consists entirely of glucose monomers128
5654317807cellulosepolysaccharide consisting of glucose monomers that reinforces plant-cell walls129
5654317808DNAa long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix130
5654317809enzymespecialized proteins that speed up chemical reactions131
5654317810RNAribonucleic acid, a natural polymer that is present in all living cells and that plays a role in protein synthesis132
5654317811glycogenThe form in which the liver and muscles store glucose133
5654317812fatsaturated solid at RT no double bonds134
5654317813oilsunsaturated liquid at RT many double bonds135
5654317814LactoseA disaccharide found in Milk136

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