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Study questions with answers - Topic 1 2014.pdf

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Department
Biology
Course
BIO1140
Professor
Doug Johnson
Semester
Winter

Description
Studyquestionanswers2014Topic1IntroductiontocellbiologyMultiplechoicequestions1markperanswerNotethatquestionsarebasedbothonthelecturematerialandontherecommendedrequiredreadings1 WhichoneofthefollowingstatementsconcerningprokaryoticcellsistrueandhencenoDNAa Theyhavenonucleusb TheyhavenoGolgiapparatusc Theyincludebacteriayeastandprotistsd Theyareallabletoliveoninorganicenergysourcese Bothaandbaretrueofprokaryoticcellssmall2 Whichoneofthefollowingmodelorganismsisfavouredbyplantmolecularbiologistsforitsgenomea Arabidopsisthalianab Caenorhabditiselegansc Escherichiacolid Daniorerioe Drosophilamelanogaster3 Whichoneofthefollowingstatementsregardingthecytoskeletonisfalsea Itismadeupofmicrofilamentsmicrotubulesandintermediatefilamentsb Itisinvolvedincellmovementandthusisabsentfromplantcellsc Itprovidessupporttotheplasmamembraned Itisdynamicandisconstantlybeingrearrangede Itisnotpresentinprokaryoticcells4 Thecellsketchedatrightismostlikelyprokaryoticcella Ab Aprotistc Aplantcelld Ananimalcelle Eitheraprotistorananimalcellitisimpossibletodistinguishbetweenthesepossibilitiesonthebasisoftheschematicpicturedatright5 Whichoneofthefollowingstatementsabouttheevolutionofpresentdayorganismsistruea Eukaryotesprecededprokaryotesb Eukaryotesacquiredchloroplastsbeforetheyacquiredmitochondriac Thecommonancestralcellwaslikelyanarchaeanofabandcaretrueoftheevolutionofpresentdayorganismsd Alle Noneofaborcistrueoftheevolutionofpresentdayorganisms
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