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BIO152H5 (270)
Maria Arts (237)
Lecture

Bio152 Lecture#1.docx

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Department
Biology
Course
BIO152H5
Professor
Maria Arts
Semester
Summer

Description
Bio152Lecture1BiologyScientificstudyoflivingorganismsLookatwhatcharacteristicslivingorganismsshareandwhatmakesthendifferentLivingorganismsshareseveralbasicproperties1Cellularorganization2EnergyMetabolism3HeredityInformation4Replicationreproductiongrowthdevelopment5EvolutionCellTheoryAlllivingorganismsaremadeofcellsandallcellscomefrompreexistingcellsRobertHookeMadethefirstmicroscopeandfoundporelikecompartmentsfromoakbarkwhicharecorecellsAntonVanLeeuwenhoekFirsttostudysinglecelledanimalculesIpondwaterParameciumCellsHighlystructuredcompartmentsurroundedbycellmembraneCellmembraneimportantforkeepinginsideofcellseparatefromexternalenvironmentHelpkeepinternalenvironmentidealforchemicalreactionstotakeplaceTwohypothesisofgenerationofcells1SpontaneousgenerationhypothesisCellsarisespontaneouslyfromnonlivingmaterials2AllcellsfromcellshypothesisCellsareproducedonlywhenpreexistingcellsgrowanddividedPasteursexperiment
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