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Cellular Biology Exam 1 – Lecture 1.docx

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Department
Chemistry
Course
CAS CH 203
Professor
Bruno Rubio
Semester
Fall

Description
CellularBiologyExam1Lecture1Chapter1AnoverviewofCellsandCellResearch1Experimentalcellmodels2Advancedmicroscopy3CellfractionationmethodologiesYouwanttohavesomethingthatcanbeeasilygrownandobservedinalaboratoryProkaryotesandeukaryotesbothhaveDNAreplicationsynthesisusethesimplestmodelprokaryotesthatcanansweryourquestionandisreadilyavailableArcheabacteriaandeubacteriaarethetwopresentdaygroupsincludingallthevarioustypesofbacteriadivergedearlyinevolutionSomearcheabacterialiveinextremeenvironmentsprevalentinprimitiveearththoughstrangetodayEubacteriaincludecommonformsofpresentdaybacterialiveinawiderangeofenvironmentsincludingsoilwaterandotherorganismsAlsointerestedinthehistoryofcellbiologywhatcamebeforekeyhypothesisthatdevelopedandchangedtheparadigmapproachedmicroscopicallylightfieldmicroscopyphenotypingcellsandtheireventsthegeneticsofthecellsattheprokaryoticlevelandtheexpressionofthegenescanbeassessedgeneticcontinuityyoucanobservecellsandlabelthephenotypesbutyouwanttolookintothecellsandthechemicalsignaturesbiochemicalpathwayschemicalreactionsmolecularbiologyfocusingonthebehaviorofindividualmoleculesandrelationshipreactionswitheachothercellsthatinteractwithothercellsformtissuesandorgansphysiologySchleidenandSchwanncombinedtheirobservationsinordertostudylifeyouneedtostudycellsVirchowContinuityofcellsarguedagainstthespontaneoustheoryoflifethatitcamefromnothingSpontaneousformationfirstsuggestedinthe1920ssimpleorganicmoleculescouldformandspontaneouslypolymerizeintomacromoleculeslittlefreeoxygenmuchCO2N2H2H2SCOprovidingreducingconditionsinwhichmoleculesgivenenergysourcesuchaslightorelectricaldischargecanformspontaneously
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