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Portage Learning Biology Module 4 Exam With Answers (23 Solved Questions)

Boost your grades with Portage Learning Biology Module 4 Exam With Answers, featuring real-world past exam practice.

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Module4Exam-RequiresRespondusLockDownBrowser+WebcamDueNoduedatePoints100Questions23TimeLimit60MinutesRequiresRespondusLockDownBrowserAttemptHistoryattemptTimeScoreLatesttempt120mitesWoutol10Scoreforthisquiz:100outof100Submitedfeb10at3:23pmThisattempttook20mitesQuestion18/8ptsExplainHowhavemulidhugresistantpathogensfnheathclinicsbeenpropagatectYourAnswer:Formanyyear.thefirstcourseoftreatmentforlinessvssantbiceics.Healthproviders‘wouldusethesedrugsregardlessofbeingabletodiagnosellinessesasbacterial,viral,or‘somethingaltogetherdifferent.Overtime,theoveruseofantibioticsledtobacteriathataccruedmutationsleadingtoresistance.Eventuallymorepathogenicbacteriaaroseviththe|‘sameresistance,andstandardantibiotictreatmentnolongerworked.Question25/5ptsTuoauxotrophicbactersstainsarepropagatedintheabaratory,onedeficientforicineantheotherdeficientforbiotin.Whenculturedalone,theycannotgrowonminimalmedium,andwhencombinedinthesameculturemedia,theystilcannotgrowintheminalmedia,Canyouteligenetictransmissionoccurredinthisexperimentinthecaseofgenesthatcontrolsynthesisofbiotinorleccine?YourAnswerItdoesnotappearthatgenetictransmissionhasoccurredinthisexperimentinvolvingthese.genesbecauseevenwithdirectcontact.thereisnogrowthrescueforeitherofthese‘auxotrophs.Question38/8pisDoesspontaneousmutationpositivelyornegativelyaffectevolution?Brieflyexplainyouranswer.YourAnswerSpontaneousmutationspositivelyaffectevolutionbecausethemutationsthatmakethe‘organismbetterabletofunctionortolerateitsenvironmenthelpittosurvivelongerthanitswild-typecounterparts.Thelonger-livedorganismsarelikelytoproducemoreoffspringthan.‘thesewithshartsurvivaltimes.Thus,anadvantageousmutationwillbepassedontofutureenerations,andifitrulyenhancessurvival,itwilleventusllybecomethenormal(wild-type)gene.Question42/2ptsTrueorFase:Abacteriumthatcagrowswelonminimalmediumisanexampleof3prototrophTe

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