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Conceptual Example 13 provides useful background for this

Studyguide for Physics | ISBN: 9781118486894  | Authors: John D. Cutnell ISBN: 9781118486894 195

Solution for problem 61 Chapter 9

Studyguide for Physics

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Studyguide for Physics | ISBN: 9781118486894  | Authors: John D. Cutnell

Studyguide for Physics

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Problem 61

Conceptual Example 13 provides useful background for this problem. A playground carousel is free to rotate about its center on frictionless bearings, and air resistance is negligible. The carousel itself (without riders) has a moment of inertia of 125 kg ? m2 . When one person is standing on the carousel at a distance of 1.50 m from the center, the carousel has an angular velocity of 0.600 rad/s. However, as this person moves inward to a point located 0.750 m from the center, the angular velocity increases to 0.800 rad/s. What is the persons mass?

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Lecturegivenon3/22/16 Antibodies–Y-shaped,twoaminoacidsjoinedbydisulfatebonds;thereisaconstant regionandavariableregion • Constantregionisthesameforeveryantibodyproduced • Variableregionisdifferentbasedondifferentgenes • Antibodiespromoteantigeneliminationthrough: o Neutralization-bindingtosurfaceproteinsonavirusorbacteriumand blockingitsabilitytoinfect o Agglutination–usingbothbondingsitesofanantibodytojoininvading cellstogetherinaclump o Precipation–linkdissolvedantigenmoleculestogether o Activationofcomplementsystem Cell-mediatedimmunity–anadaptiveresponseproducedbyT-cells,respondsto pathogensthathavealreadyenteredintothebodycells • KindsofTcells: o CytotoxicTcells o HelperTcells o MemoryTcells • Cell-mediatedresponseisproducedbycytotoxicTcells,battlepathogensthat enterbodycells • HelperTcellstriggerbothcell-mediatedandhumoralresponse,signalsfromthe helpercellsinitiateproductionofantibodies • TworequirementsmustbemetforahelperTcelltoactivateadaptiveresponse: o Foreignmoleculemustbepresentthatcanbindspecificallytoanantigen receptor o Antigenmustbedisplayedonsurfaceofantigen-presentingcell;includes macrophagesandBcells • Macrophagesingestforeignparticlesandbreakthemdown,andthenself proteinsbindtothenon-selfmolecules;theseselfproteinsdisplaythenon-self onthecellsurface • HelperTcellsrecognizeandbindtotheselfandnon-selfcombination–calleda self-nonselfcomplex • ActivatedhelperTcellspromoteimmuneresponsethroughsecretingproteins o StimulateclonalselectionofhelperTcellswhichproducesmemoryand effectorhelperTcells o ActivateBcellsandstimulatetheimmuneresponse o StimulatetheactivityofcytotoxicTcells CytotoxicTcells–theonlyTcellsthatkillinfectedcellsoncetheyareactivated • Clonalselectionoccursandtheeffectorcytotoxiccellsidentifyinfectedcells throughaself-nonselfcomplex • KillerTcellsbindtotheinfectedcell,whichactivatesittosynthesizetoxic proteinslikeperferin–thismakesholesintheinfectedcell’smembranewhich causeslysesordeath Chapter43:ReproductionandEmbryonicDevelopment Lecturegiven3/24/16 *mustunderstandthestructuresofthemaleandfemalereproductiveanatomy ModesofReproduction: • Asexualreproduction o Creationofgeneticallyidenticaloffspringbyoneparent o Rapidformofreproduction o Lessgeneticdiversitycomparedtosexualreproduction o Canoccurvia 1. budding–newindividualsformonadult;canstaythereorbreak off 2. fission–parentanimalbreaksintwopieces 3. fragmentation-piecesofanimalsbreakofftoformnewanimals o Parthenogenesis–formofasexualreproduction,stimulatesaneggto divide(usuallytriggeredbysperm)andproducethenextindividual • Sexualreproduction o Joiningofgametes–eggsandsperm o Someanimalsusebothmodesofreproduction o Hermaphroditism–individualhasbothmaleandfemalereproduction systems;makesiteasiertofindamate,butcanstillexchangegametes withotherindividuals o Twotypes: 1. Externalfertilization–wheneggsandspermaredischargednear eachothersimultaneously;fishandamphibians 2. Internalfertilization–spermisdepositedinthefemale reproductivetractinvariousways;mostterrestrialspecies HumanReproduction • Bothspeciesmusthaveasetofgonads,ductsforgametetransport,and structuresforcopulation

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Chapter 9, Problem 61 is Solved
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Textbook: Studyguide for Physics
Edition:
Author: John D. Cutnell
ISBN: 9781118486894

Since the solution to 61 from 9 chapter was answered, more than 437 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Studyguide for Physics, edition: . This full solution covers the following key subjects: . This expansive textbook survival guide covers 32 chapters, and 2553 solutions. The full step-by-step solution to problem: 61 from chapter: 9 was answered by , our top Physics solution expert on 12/28/17, 08:38PM. The answer to “Conceptual Example 13 provides useful background for this problem. A playground carousel is free to rotate about its center on frictionless bearings, and air resistance is negligible. The carousel itself (without riders) has a moment of inertia of 125 kg ? m2 . When one person is standing on the carousel at a distance of 1.50 m from the center, the carousel has an angular velocity of 0.600 rad/s. However, as this person moves inward to a point located 0.750 m from the center, the angular velocity increases to 0.800 rad/s. What is the persons mass?” is broken down into a number of easy to follow steps, and 96 words. Studyguide for Physics was written by and is associated to the ISBN: 9781118486894 .

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Conceptual Example 13 provides useful background for this