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Main Course Be your best. CellBiologist’sName:_________________________________Period:____Date:______________ Mrs.Bouchard–7thGradeScience OrganellePacket Direc&ons:Completeallpor&onsofthispackettoreceivea3,usingcompletesentenceswhen appropriate.Have100%correctanswerstoreceivea4! 1. Foreachofthefollowingstatements,circleifitisTRUEorFALSE. a. Cellsarevery,verysmall. TRUEFALSE TRUEFALSE c. Some,butnotalllivingthingsaremadeofcells. TRUEFALSE d. Cellshelplivingthingsdotheirjobs,likedigestfood andgetridofwastes. TRUEFALSE b. Acellisthesmallestpartofa livingthingthatisconsideredalive. 2. AreGreatWhiteSharksmadeofcells?YesorNo:_______ ExplainYourAnswer:______________________________________ _______________________________________________________ _______________________________________________________ 3. Finishthissentencebyusingthewordcelltoexplainwhycellsaresortoflikebricks: Justlikebuildingsaremadeofmanybricksallputtogether,___________________________ ____________________________________________________________________________ __________________________________________________________________________ 4. Howisacelllikeafactory?Finishthissentence,usingthewordorganelle: Justlikeafactoryhasmachinesthathelpitdoitsjobs,_______________________________ ____________________________________________________________________________ ____________________________________________________________________________ _________________________________________________________________________ Be your best.. DIRECTIONS:BelowaredescripYonsofthenineorganellesyouhavestudied. Nexttoeach,writethenameoftheorganellethatisbeingdescribed. UseyourCellAdventureBooktohelpyouout(butyoushouldbeabletodoitwithoutit!). WORDBANK:nucleus,cellmembrane,mitochondria,endoplasmicreYculum,ribosome, golgibody,lysosome,vacuole,cytoplasm. Which Organelle? OrganelleDescrip&ons Thecell’scontrolcenter,or“brain.”Itdirectsallofthecell’s acYviYes. Thisorganelletakesmaterialsthecellmakes,preparesthemto betransported,andsendsthemtootherpartsofthecellor outsidethecell. Thesearelargesacswithinacellthatareusedtostorefood, waterandotherimportantsubstances. Theboundarythatseparatesthecellfromtheoutside environment.Itcontrolswhatsubstancescomeintoandoutofa cell. Thepowerhousesofthecell.Theyconvertenergyinfoodto energythecellcanusetocarryoutitstasks. Thesearesmalltanksthatcontainchemicalsthatbreakdown materialsinthecell.Somebreakdownfoodintosmallerpieces. Othersbreakdownoldcellpartsandreleasewhattheywere madeofsotheycanbeusedagain. Thisorganelleisaseriesofpassagewaysthatcarrymaterials fromonepartofthecelltoanother. Theseorganellesmakeproteins,importantchemicalsthatweuse tomakenewcells. Thisisn’tanorganelle,butisactuallythejello-likestuffinsidethe cellthatholdsalloftheorganelles. Be your best. DIRECTIONS:Belowisadiagramofthecell.Labelthediagramwiththeorganelles. Onepartnerfillsoutthewhiteboxes,andtheotherfillsoutthegrayboxes. UseyourCellAdventureBooktohelpyouout! WORDBANK:nucleus,cellmembrane,mitochondria,endoplasmicreYculum,ribosome, golgibody,lysosome,vacuole,cytoplasm. Upforachallenge?Onemorepage,thentheBigGoal! Be your best. ANALOGIES!We’vebeenlearningaboutthepartsofthecellbycomparingthemtothepartsofa factory.Canyouthinkofyourownanalogiesforthecellorganelles? Writeanalogiesforeachofthenineorganelleswehavelearnedabout.Herearesomeexamples. • Theendoplasmicre2culumislikethehallwaysatTalbot.Botharepassagewaysthatletthings– eitherpeopleormaterials–moveandbetransported. • TheGolgiBodyislikemymomduringtheholidays.Shewrapspresentsandsendsthemto relaYves–justliketheGolgiBodypackagesandsendsmaterialsaroundandoutofthecell. Thenucleusislike_______________________________________________________________ _______________________________________________________________________________ _____________________________________________________________________________ Thecellmembraneislike_________________________________________________________ _______________________________________________________________________________ ____________________________________________________________________________ Themitochondriaarelike_________________________________________________________ _______________________________________________________________________________ ____________________________________________________________________________ Theendoplasmicre&culumislike__________________________________________________ _______________________________________________________________________________ _____________________________________________________________________________ Theribosomesarelike___________________________________________________________ _______________________________________________________________________________ _____________________________________________________________________________ TheGolgiBodyislike____________________________________________________________ _______________________________________________________________________________ ____________________________________________________________________________ Avacuoleislike_________________________________________________________________ _______________________________________________________________________________ _____________________________________________________________________________ Alysosomeislike_______________________________________________________________ _______________________________________________________________________________ _____________________________________________________________________________ Be your best. ThinkaboutourYmewithplantcellsandanimalcellsandhowtheircellsaredifferent! Afullanswerwillcorrectlyusethewordscell,cellwall,largecentralvaculole,andchloroplast. ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ For each of the following statements, circle whether the statement is TRUE or FALSE. a. Plant cells have cell walls, but animal cells do not. TRUE FALSE b. Animal cells have cell membranes, but plant cells do not. TRUE FALSE c. Both plant cells and animal cells have chloroplasts. TRUE FALSE d. Plants have one large vacuole to store water. but animal cells have many smaller vacuoles. TRUE FALSE e. Both plant cells and animal cells have mitochondria. TRUE FALSE Which of the following best describes the role of the cell wall in a plant cell? a. It makes the major decisions of the cell. b. It is the powerhouse of a plant cell, responsible for producing energy. c. It is the outside of the cell, and helps to protect and support it. d. It breaks down and recycles old cell parts. Which of the following best describes the role of the chloroplast in a plant cell? a. Packaging materials the cell needs and sending them around the cell. b. Capturing the sun’s energy so plants can use it to make their own food. c. Letting important materials enter the cell and keeping dangerous materials out. d. Storing food, water and other important substances. Be your best. Whatdoesthecellwalldoforaplantcell?________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ Whatdoesachloroplastdoforaplantcell?_______________________________________ ___________________________________________________________________________ ___________________________________________________________________________ Whatifaplantcelldidnothavechloroplasts?Woulditbeabletosurvive?Explain! ____________________________________________________________________________ ____________________________________________________________________________ _________________________________________________________________________ Whatifaplantcelldidnothaveacellwall?Woulditbeabletosurvive?Explain! ____________________________________________________________________________ ____________________________________________________________________________ _________________________________________________________________________ Rememberouranalogies?Forexample,thenucleusislikethecentralofficeofafactory,because justlikethecentralofficemakesdecisions,thenucleuscontrolswhatthecelldoes. Whatisagoodanalogyforthechloroplast?(Start,“Thechloroplastislike…”) ____________________________________________________________________________ ____________________________________________________________________________ _________________________________________________________________________ Whatisagoodanalogyforthecellwall?(Start,“Thechloroplastislike…”) ____________________________________________________________________________ ____________________________________________________________________________ _________________________________________________________________________ Labelthetwochloroplastsonthe diagramofthecelltotheright. Labelthecellwallonthe diagramofthecelltotheright. Be your best. DetermineifthestatementisTRUEorFALSE(circlethecorrectanswer): ProkaryotesdonothaveanucleustoholdtheirDNA. TRUEFALSE Prokaryotesarecomplexcellswithmanyorganelles. TRUEFALSE Eukaryoteshavealltheorganelleswehavestudied,suchas mitochondriaandlysosomes. TRUEFALSE PlantsandanimalsbothhaveeukaryoYccells. TRUEFALSE IsthepicturetotherightaprokaryoYcoreukaryoYccell? Explainhowyouknowin1-2sentences. ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ ____________________________________________________________________________ Chlamydomonas AmoebasareprefyuniqueproYsts.Canyoudescribewhatisdifferentaboutthewaythatthey gettheirfoodandmovefromthewayotherproYsts,suchasChlamydomonaseatandmove? Usecompletesentencesandacademicvocabulary.ConYnueyourworkonthenextpage. ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ Be your best. Chlamydomonas ____________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________