BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCES, Exams of Nursing

Download BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCES and more Exams Nursing in PDF only on Docsity! BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Whatisthecomplementarysequenceto3’ATGCGAATA5’ ?(0/1Points) 3’TATTCGCAT5’ 3’TACGCTTAT5’ Thecorrectansweris3'TATTCGCAT5'.Remembercomplement arymeans“MatchingorPairing”Youhavetoremembertopayatt entiontoyournumbersaswellasyourletters (A-T, G-C, 5'-3'). The correct answer is 3’ ATG CGA ATA 5’ (original sequence) 5’TAC GCT TAT 3’ (complementary sequence) But we asked for it in the 3’ direction, somirror answer to give correct answer: 3’ TAT TCG CAT 5’ If you chose 3' TAC GCT TAT 5',this is incorrect. Although the nucleotides are in the correct order, the 5' and 3' are inthewrongplace.DNAstrandsthatarecomplementaryruninop positedirections.Thismeansthatifonestrandstartswitha3',thet hecomplementarystrandmuststartwitha5'.Ifnoneoftheanswe rchoicesgivethecorrectanswerin5'--- >3',thenyouneedtowriteitsmirror,whichwillrunfrom3'--->5'. 3’GATAGCATA5’ 5’ATAAGCGTA3’ BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ WhichaminoacidsequencewouldbemadefromthistemplateDNAstrand? 5’TATTACCGA3’? (1/1Points) 3 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ 2 WhichaminoacidsequencewouldresultfromthisCodingDNA strand?3’ATGCAGATA5’? (1/1Points) Tyr Val TyrIle Gln IleIleA spVal The correct answerisIleAspVal.Wearestartingatthecodingstrand,andhavet o remembertherelationshipbetweencodingDNAandmRNA.The setwostrandsarenon- complementaryandparallel.Sowecopythecodingstrand,chan geT--- >U,andthenwritethemRNAsequence:3’ATGCAGATA5’coding 3’AUGCAGAUA5’mRNAMirrorbychangingorientation:5’AUAG ACGUA3’ReadchartIleAspVal(chartisindirectionof5'--->3') LeuHisLys Tyr BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ If the original coding sequence is 5’ CGA TAC TTC AGA 3’ and it ismutatedto5'CGATATTTCAGA3',whattypeofmutationwouldhavetakenplace? (1/1Points) 7 Huntington'sisanautosomaldominantdisorder.Whichofthefollowingchromosome pairs would be inherited by a person with Huntington'sDisease? (Yellow box = Dominant allele, Green box = Recessive allele)(1/1Points) 8 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Silent Thecorrectanswerissilentmutation.Thenucleotidesequencec hanges,butitcodesforthe same amino acid. The coding sequence 5' TAC 3' corresponds to the mRNAsequence 5' UAC 3' (Tyr), and the coding sequence 5' TAT 3' corresponds to the mRNAsequence 5' UAU 3' (Tyr). Since the C changed to at T, this is a point mutation. If thepoint mutation results in the same amino acid in the new sequence as in the originalsequence,thepointmutationisasilentmutation. Misse nseNo nsens eInser tion BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Option1 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ The pedigree below tracks Duchenne Muscular Dystrophy (DMD)through several generations. What type of inheritance does DMDexpress? (1/1Points) 9 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ The correct answer is Option 1 because an autosomal dominant disorder would beinheritedonnumberedchromosomes,notsexchromosomesX orY.Also,atleastonedominantallele(yellowbox)needstobepres entfortheindividualtohavethedominantdisease. Option2 Option3 Option4 Autosomal dominantAuto somal recessiveX- linkedDomina nt X-Linkedrecessive ThecorrectanswerisX- linkedrecessivebecauseparents(carriers)donothaveit(II-5-6) but a child does (III-5). You will get the same result if you consider parents (carriers)(I-1-2), who do not have the trait, but a child does (II-3). A third option that gives BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Rettsyndromeisabraindisorderthatoccursalmostexclusivelyinfemales,causingseveredeficitsinlanguage,learning,coordinationandotherbrainfunctions.DecreasedexpressionoftheMECP2genecausesRettsyndrome.WhichofthefollowingscenarioscorrectlydescribeshowRettsyndrome couldbe developed? (1/1Points) 12 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ ADNA- bindingproteinblocksRNAPolymerasefrombindingtotheprom otersequence,facilitatingthetranscriptionofthe MECP2gene. Transcription factors are unable to bind to the transcription start site of the MECP2genebecausenucleosomesaretightly packed together. The answer is "Transcription factors are unable to bind to the transcription start site oftheMECP2genebecausenucleosomesaretightlypackedtoge ther."Think"increasedspacegives increased access and increasedexpression."Geneexpressionis increasedwhennucleosomesarewidelyspacedandtranscriptio nfactorsandRNAPolymeraseareable to bind to the transcription start site of the gene. In this question, decreasedexpressionisresultingfromdecreasedspacebetwee nthenucleosomes,sotheRNAPolymeraseandtranscriptionfact orshavedecreasedaccesstothetranscriptionstartsiteofthegen e. BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ WhathappenswhentheincorrectbaseisaddedduringthesynthesisofaDNAstrandinDNAreplication? (1/1Points) 13 What is the correct definition of nucleotide excision repair?(1/1Points) 14 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Transcriptionactivatorscausenucleosomestoseparate,ex posingtheMECP2gene.RNAPolymerasebindstotheMECP2 geneandbeginstranslation. Thehomologouschromosomeisusedtoreplacetheincorrec tlyaddedbasewiththecorrectone. DNAPolymeraseremovestheincorrectbaseandaddsinthec orrectbase. Thecorrectansweris"DNAPolymeraseremovestheincorrectb aseandaddsinthecorrect base." DNA Polymerase repairs mismatch errors that occur during DNAreplication. Thyminedimersoccur. DistortionofthedoublehelixoccursandisrepairedbyRNAPoly merase. Removalofasingledamagednucleotide Damagetoafeworseveralnucleotidesareidentified,thenman ynucleotidesareremovedandallarereplacedtorepairtheDNAse BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ gment Thecorrectansweris"Damagetoafeworseveralnucleotidesarei dentified,thenmanynucleotidesareremovedandallarereplace dtorepairtheDNAsegment."Innucleotideexcisionrepair,sever alnucleotidesareremovedwhereas,inBER(baseexcisionrepair ),asinglenucleotideisremoved. RequiredwhentherearebreaksinthedoublestrandedDNAstra ndwhichcausesdiscontinuityinbothstrands Insertionofathyminedimer BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Ionicbonds 57 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Acoworkersharedthatheisdietingandhasbeenavoidingfattyfoods.Hementionsthathecravesstarchyfoodsandhasbeeneatingmoreofthem. After two months on the diet, his body fat composition hasincreasedslightly.Whatcouldaccountforthis? (1/1Points) 58 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Whenoxygenispresent,pyruvateisconvertedlactateduringfe rmentation Whenoxygenisnotpresent,pyruvateentersthemitochondria lmatrixandisconvertedtolactate Whenoxygenispresent,pyruvateisconvertedtoacetyl- CoAinthemitochondrialmatrix Thecorrectansweris,"Whenoxygenispresent,pyruvateisconv ertedtoacetyl-CoAinthe mitochondrialmatrix."Ifithasoxygen,it undergoesaerobicmetabolism.If itdoesnot,itisconvertedintolacticacidinthecytosolinfermentat ion. Whenoxygenispresent,pyruvateproducesglucosetorever sethecycle Thestarchyfoodsleadtoanincreaseinacetyl- CoA,whichisnecessaryforfattyacidsynthesis. The correct answeris,"Thestarchy BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Followingglycolysis,whatdecidesthefateofpyruvate? (1/1Points) Mariatakesasnackbreakwhilesheisatwork.WhichoneoftheprocessesbelowwouldbestimulatedafterMariaeatsaSnickersbar?(1/1Points) 59 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ foodsleadtoanincreaseinacetyl- CoA,whichisnecessaryforfattyacidsynthesis."Glucoseandfatt yacidsdonotsharesimilarstructures,soglucosecannotbestore dasfattyacids.Glucoseisstoredasglycogen,andmostofourener gyisstoredastriglycerides.Glucosedoesresultinglycosylation, althoughmostofthematerialisusedinfattyacidsynthesis.Gluco seisprocessedtoacetyl- CoAthroughglycolysis,andthenpyruvateisconverted,inthemit ochondrion,toacetyl-CoA. If there are high levels of acetyl- CoA present, acetyl-CoA is used to producefattyacids. Carbohydratesandfattyacidshavesimilarmolecularstructure s.Thisallowsforcarbohydratestobedirectlystoredasfat. Thediethascausedabuildupofglycogenintheadiposeandm usclecells. Anincreaseincarbohydratesleadstoproteinglycosylationthat resultsindecreasedtriglyceridesynthesisinthe kidneys. Gluconeog enesisGlyc ogenolysis GlucagonG lycogenesi BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Ionicbond BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Whattypeofreactionformstheprimarystructureofaprotein?(1/1Points) 19 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Hydrophobicint eractionHydrog enbond MessageforrespondentswhoselectthisanswerThecorrectan sweris"hydrogenbond." Eachoftheaminoacidsshownisapolaraminoacid,andpolaram inoacidsinteractthroughhydrogenbonds.TheNHcombinedwi ththeC=Oinglutamineplacesthisaminoacidsidechainintothe polarcategory.TheOHbondinserineplacesthisaminoacidside chainintothepolarcategory. Disulfidebond Activationen ergyEnzyme sDehydratio n The correct answerisadehydrationreaction.When twoaminoacidsjointogether,they losewater.OnelosesanOfromacarboxylgroup,andtheotherlose stwoHsfromitsaminogroup,togivealossof water.SeeStudy GuideStep7forreview. Hydrolysis BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Myoglobinisanoxygenstorageproteinandexhibitsahyperboliccurveinanoxygensaturationgraph.Whatisthehighestlevelofproteinstructureexhibitedbymyoglobin? (1/1Points) 20 Whatlevelofproteinstructureinvolvesalphahelicesandbetapleatedsheets? (1/1Points) 21 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Primar ySecon daryTe rtiary Thecorrectansweris"tertiary."Myoglobinismadefromonepolyp eptidechain,orisa "singlesubunit"protein.Myoglobin'stertiarystructuregivesititsf unctional3Dshape.Ahyperboliccurveindicatesa"singlesubunit "protein.Asigmoidalcurveindicatesaquaternary(multi- subunit)protein. Quaternary Primar ySeco ndary Thesecondarylevelhasalphahelicesandbetapleatedsheets.Pri marystructureis formedbyjoiningtogetheraminoacidsthroughpeptidebonds.S econdarystructureisformedbyhydrogenbondsbetweenbackb BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Whattypeofinteractionswouldbeaffectedinapatientwithdiabeticketoacidosis?(selectallthatapply) (1/1Points) 24 Hydrogenbondsbetweenbackbonegroupsstabilizewhatlevelofproteinstructure? (1/1Points) 25 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Thecorrectansweris"Aggregationofhydrophobicaminoacids." Alzheimer'sdiseaseresultsfromabnormalproteinaggregation inthe brain. Ionicbondsformedbyhydrogenbondingofaminoacids Hydrogenbonds HydrogenbondsandionicbondsareaffectedbyachangeinpH.H ydrogenbondsandionicbondsarealsoaffected byachange in salt concentration. Ionicbonds HydrogenbondsandionicbondsareaffectedbyachangeinpH.H ydrogenbondsandionicbondsarealsoaffected byachange in salt concentration. Hydrophobicinte ractionsDisulfide bonds Primar BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ ySeco ndary The correct answeris"secondary."Primarystructureisformedbyjoiningto getheraminoacidsthroughpeptidebonds.Secondarystructur eisformedbyhydrogenbondsbetween backboneamino acids.Tertiarystructureisformedforminteractions between BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Whattypeofbondisfoundintheprimarystructureofaprotein?(1/1Points) 26 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ amino acidsidechains.Quaternarystructureisformedfrominteractio nsbetweenaminoacidsidechains.Proteinswithquaternarystr ucturehavetwoormoresubunits. TertiaryQuat ernary 2 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Fryinganegginapanchangestheeggwhitecolor,duetotheproteinovalbumin, from translucent to white. Which bond or interaction ismostlikelytobedisruptedwithintheOvalbumin? (1/1Points) 28 Which of the following statements correctly describes the differencebetweenhemoglobinand myoglobin? (1/1Points) 29 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ itprotein'stertiarystructure. Thecorrectansweris"thehydrophobiceffectprimarilycontribut estoasinglesubunitprotein's tertiary structure." The hydrophobic effect drives the formation of the core of aprotein,whichisthepredominantcontributingfactortotheprot ein'stertiarystructure. Ionicbonds Hydrophobicinteractions Thecorrectansweris"Hydrophobicinteractions."Heatwilldisr upthydrophobicinteractions.Ionicbondsaredisruptedbycha ngesinpHandbysalt,anddisulfidebondsare disruptedbyreducingagents. Disulfidebon dsNoneofthe above BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Hemoglobinbindsoxygeninacooperativemanner,whileMyo globinbindsoxygenwitharelativelyhigheraffinityandstoresox ygen. BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Which of the following molecules binds directly to the iron inhemoglobin? (1/1Points) 30 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Thecorrectansweris,"Hemoglobinbindsoxygeninacooperativ emanner,whileMyoglobinbindsoxygenwitharelativelyhighera ffinityandstoresoxygen."Hemoglobinhas4subunitsandbindso xygeninacooperativemanner.Cooperativitymeansthatasone moleculeofoxygenbindstohemoglobin,theshapeofhemoglobi nchangestomakeiteasiertobindsubsequentmoleculesofoxyg en.Myoglobin’sjobistostoreoxygen,soitbindstooxygenwithahi ghaffinityand storesit. Hemoglobinhastertiarystructure,whileMyoglobinhasquate rnarystructureandbindsoxygeninacooperativemanner. HemoglobinstoresoxygenandMyoglobindeliversoxyge ntooxygen-deprivedmuscletissue. Myoglobinisboundby2,3-BPGandchangesintotheT- statetodeliveroxygen CO2 Mg 2,3- BPG CO COdoesbinddirectlytotheironinhemoglobin,takingtheplaceofo BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Carbondioxideisconvertedtobicarbonateandbindstohemo globin,whichshuttlesthecarbondioxidetothe lungssothatitcanbeexhaled outofthe body. Carbondioxideflowsthroughthebloodstreamtothelungssoth atitcanbeexhaledoutofthebody. Carbonicanhydrasehelpscarbondioxidesticktohemoglobi n,whichshuttlesthecarbondioxidetothelungs.Inthelungs,Car bonicAnhydraseconvertscarbondioxidetoagassothatitcanbe exhaledoutofthebody. Carbonicanhydraseconvertscarbondioxidetobicarbonate, whichcanflowthroughthebloodstreamtothelungs.Inthelungs, CarbonicAnhydraseconvertsbicarbonatebacktocarbondioxid esothatitcanbe exhaledoutofthebody. Thecorrectansweris,"Carbonicanhydraseconvertscarbondiox idetobicarbonate,whichcanflowthroughthebloodstreamtothe lungs."Inthelungs,carbonicanhydraseconverts bicarbonate backto carbondioxide sothatitcanbe exhaled outofthe body.)CO2isawasteproductproducedinthetissuesfromaerobi crespiration.TheCO2isconvertedtobicarbonate(HCO3-)inthet issuesasawaytoshuttleCO2tothelungssothatitcanbeexhaled outofthelungs.Inthelungs,HCO3- isconvertedbacktoCO2,andCO2isexhaledoutofthebody. BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Whatoccursastheamountofhemoglobinsaturatedwithoxygenincreases? (1/1Points) 33 Duringamorningrunonthetreadmill,thebloodaroundmuscletissuebecomes increasingly acidic. What happens to hemoglobin when itencountersthisacidicmuscletissue? (1/1Points) 34 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ HemoglobinadoptstheT- stateconformationandthehemegroupsbecomeplanar.Hemo globinadoptstheR- stateconformationandthehemegroupsbecomeplanar. Thecorrectansweris,"HemoglobinadoptstheR- stateconformationandtheheme groupbecomesplanar."Whenhemoglobinbindsoxygen(inthel ungs)inchangesintotheR- stateandthehemegroupstakeonaplanarshape.Thinkofhemog lobinasbecomingrelaxedasitbindsmoreoxygen,justlikeyoumi ghtifyoustopandtakeadeepbreath.Think CHARTinthetissues,theoppositeinthelungs:CforhighCO2,H forhigh H+,Aforacidity,Rforreleaseof oxygen,and Tfor Tstate,orbenTheme. HemoglobinadoptstheT- stateconformationandthehemegroupsbecomebent.Hemo globinadoptstheR- stateconformationandthehemegroupsbecomebent. BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ HemoglobinwillswitchintotheR- stateanddeliveroxygenHemoglobin will bindandstoreoxygen HemoglobinwillswitchintotheT-stateand deliveroxygen Thecorrectansweris "Hemoglobin will switchintothe T- stateanddeliveroxygen,"becauseHemoglobinswitchesintoth eT- stateanddeliversoxygenintheacidic(lowpH)environmentofex ercisingmuscletissue.ThinkCHART:CforhighCO2,HforhighH+, Aforacidity,Rforreleaseofoxygen,andTforTstate. HemoglobinwillswitchintotheR-stateandbindoxygen Basedonthegraphbelow,whichofthefollowingstatementsistrue ? BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ 3 WhichenzymeaddsaphosphategroupfromATPtoamolecule?(1/1Points) 38 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ TheamountofcompoundDwo uldincreaseTheamountofco mpoundAwoulddecrease Kinase Thecorrectansweris,"Kinase."Akinase‘kindly’addsaphosph atetoamoleculeandthatphosphatecanberemovedbyaphos phatase.Anotherwaytorememberthisisthatakinaseis"kind andgiving"ofaphosphate(fromATP). Phosphatase BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Differentcompoundsareneededtocarryoutessentialcellularfunctionswhichmaintainaphysiologicalhomeostaticbalance.Enzymescatalyzereactionsthatproducethesecompoundsand,indoingso,play a pivotal roleinourbodies.Whichstatementbelowaccuratelydescribeshowenzymescatalyzereactionswithinourcells. (1/1Points) 39 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Acetyltransferas eDehydrogenas e Enzymesincreasetheactivationenergyofar eaction.Enzymesdecreasethereactionrate . Enzymesdon’tchangethereactionrate. Enzymesdecreasetheactivationenergyofareaction. Thecorrectansweris,."Enzymesdecreasetheactivationenergyo fareaction."Theactivation energy is the amount of energy required to start the reaction. The lower theactivationenergy,thefasterthereaction. BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ AsparagineendopeptidasehasoptimalactivityatanacidicpHof5.5and a temperature of 98 degrees F. Under which of the followingconditionswouldthecatalyticactivityofasparagineendopeptidasebehighest? (1/1Points) 40 Anexperimentalcompound,termedDrugX,caninhibitanenzymebybindingatasitethatisdistinctfromtheenzyme'sactivesite.WhattypeofinhibitorisDrugX? (1/1Points) 41 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Inbraintissueat pH5 followingtraumaticbraininjury Thecorrectansweris,"InbraintissueatpH5followingtraumaticbr aininjury."Enzymesfunctionoptimallyattheiroptimaltemperat ureandpH.Whenthetemperature,orpH,issubstantially higher or lower than the optimal conditions for the enzyme, its catalyticactivitydecreases. Exposuretoatemperatureof150 degreesFInrenaltissueatpH10d uringalkalosisExposuretoatem pera ureof20degreesF Competitiv eNon- competitiv e BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Melatonin is a molecule,produced primarilyinthepinealgland, whichregulatesthecircadianrhythm.ThefollowingpathwaydepictshowtheSerotonin isconvertedto Melatonin. Whichofthemolecules listedbelow ismostlikelyto actasa feedbackinhibitor ofthe pathway? (1/1Points) 44 In the enzymatic cycle figure below, identify the step that bestdemonstrateswherethe‘inducedfitmodel’wouldoccur. (1/1Points) 45 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ bindtotheactivesiteofanenzymeandcanbeout- competedbyhighconcentrationsofsubstrate. Saturated Seroto ninAc CoA N-acetyl-serotonin Melatonin Thecorrectansweris, "Melatonin."Sincemelatoninistheproductofthepathway,itcan actasafeedbackinhibitorbygivingamessage(feedback)too neofthefirstenzymesinthepathway,andshutdownthepathw ay. 1 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Whatmostaccuratelydescribesthisreaction?(1/1Points) 48 moleculeentersthecitric acidcycleandcreatescoenzymessuchasandthat eventually enter theelectrontransportchaintoproduceATP. (1/1Points) 49 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ The correct answer is 30. Two ATPs are made from Glycolysis, four is the net loss in theCoriCycle,6ishowmanyATPareusedinthe Coricycle,and 30isthe correctanswer.FromglycolysisthroughtheETC,wewillproducea bout30ATP. Catab olicAn abolic Thecorrectansweris"anabolic,"becauseATPisbeingbuiltbyaddi ngaphosphateto ADPtomakeATP.Antsliketobuild(anabolic).Inacatastrophe,ev erythingfallsapart(catabolic). Dehydration Hydrolysis BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Acetyl CoA; GTP, ATPPyruvate; ATP, NADHAcetylCoA; NADH,FADH2 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Aerobic, citric acid cycle, largeAnaerobic,citrica cidcycle,largeAerobic, glycolysis, smallAnaerobic,glycol ysis, small The correct answer is, "Anaerobic, glycolysis, small." Fermentation allows the cell, underanaerobicconditions,tocontinueglycolysisandmake smallamountsofATP.TheATPsaremadeinglycolysis,notinferm entation. BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Howmanyroundsofbetaoxidationarerequiredtobreakdownthefollowingfattyacid? (1/1Points) 53 Whatisthenameofthismolecule?(1/1Points) 61 Whichofthefollowingisanessentialfattyacid?(1/1Points) 62 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ 10 9 Phospholipid Triglyceride Thecorrectansweris,"Triglyceride."Atriglycerideconsistsofthre efattyacidsthatare linked to one glycerol molecule. Triglycerides are the primary means of fat storage intheadiposetissue. Trans fatty acidSaturate dfattyacid Option1 Option2 Option3 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ What typeofbondishighlightedinpurple below:(1/1Points) 63 Whatisthepurposeofthemoleculeshownbelow? 64 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Option4 The correctansweris Option4. Option4 hasthestructure ofalong-chain fattyacidthathasomega-3andanomega- 6(andalsoanomega- 9)bonds,whicharethecharacteristicsofanessentialfattyacid. Cis Thecorrectanswerisacisbond.Thehydrogensareonthesam esideofthedoublebond. Trans Essen tialO mega -9 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ dium- chainunsaturated Medium- chainsaturatedSh ort- chainunsaturated BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ What wouldbethephysicalstateofthisfattyacidatroomtemperature? CH3(CH2)15COOH (1/1Points) 68 Individualswithlong-chain3-hydroxyacyl-CoAdehydrogenase(LCHAD)deficiencyare unabletobreakdown long-chainfattyacids.Whichofthefollowingistrueforthesepatients? (1/1Points) 69 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ Short-chainsaturated Liqu idS olid The correct answeris,"Solid." It isa long- chainsaturatedfattyacid.Long-chainfatty acidshavemorethan12carbonatoms,andtheyhavenodoubleb onds.Sincethechainissolong,itisasolidatroomtemperature andstackswell. BilayerPhos pholipid Duringfasting,theseindividualswillproduceexcessiveamou ntsofketonebodies.Theyshouldavoidintakeofcarbohydra tesandinsteadfocusonahigh-fatdiet. Theyshouldensurethattheyeatfrequentlysothattheirbodyha BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ NewbornsaretestedforavarietyofmetabolicdisordersincludingFamilial LipoproteinLipaseDeficiency,which isa disease in whichthegenethatcodesforLipase isdeficient.Lipaseis theenzymethatbreaks down triglycerides. Which of the following would be true for anindividualwithFamilialLipoproteinLipaseDeficiency? (1/1Points) 70 BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+ sadequatesuppliesofglucose. Thecorrectansweris, "Theyshouldensurethattheyeatfrequentlysothattheirbodyha s adequate supplies of glucose." Individuals that are not able to breakdown lipidsshouldlimittheirintakeoflipidsandconsumemoreprotein andcarbohydratesinstead. TheywillbreakdownCH3(CH2)8CH=CH(CH2)10COOHwith outaproblem. Triglyceridescouldnotbebrokendowntoreleasefattyacidsfor beta-oxidation. The correct answer is, "Triglycerides could not be broken down to release fatty acids forbeta- oxidation."Lipaseisanenzymethatbreaksdowntriglyceridesto releasethethreefattyacidsfromglycerol.Thefattyacidsarethen usedtoproduceenergywhentheyarebrokendownthroughbeta oxidation. Triglyceridescouldnotbebrokendowntoreleaseglucoseinres ponsetoglucagonsignaling. BIOCHEM C785 2 OA readiness check QUESTIONS & ANSWERS BEST EXAM SOLUTION GUARANTEED SUCCESS LATEST UPDATE 2022/2023 RATED A+