2 1 cells & macromolecules (k) shared

Click here to load reader

  • date post

    01-Jun-2015
  • Category

    Education

  • view

    305
  • download

    0

Embed Size (px)

description

cells

Transcript of 2 1 cells & macromolecules (k) shared

  • 1. CellsCh. 2.1http://koning.ecsu.ctstateu.edu/cell/cell.html

2. Focus Questions1. What is cell theory?2. What basic substances make up cells?3. Why are macromolecules important to acell? 3. 1. What is cell theory?Cell theoryAll living thingshave cellsCells are thesmallest unit oflifeAll cells comefrom preexistingcells 4. Definition of CellA cell is the smallest unit that iscapable of performing lifefunctions. 5. Which is NOT part of the celltheory?0% 0% 0% 0%A. B. C. D.A. All cells come frompreexisting cellsB. All cells contain anucleusC. All living thingshave cellsD. Cells are thesmallest unit of life45 6. Examples of CellsAmoeba ProteusPlant StemRed Blood CellNerve CellBacteria 7. Which is NOT a macromolecule?0% 0% 0% 0% 0%A. B. C. D. E.A. CarbohydratesB. LipidsC. Nucleic AcidsD. ProteinsE. Water45 8. 2. What basic substances make up cells?MacromoleculesWater NucleicAcidsProteins Lipids CarbohydratesDefinition Watermakes up___% of acellsvolumeLongchains ofnucleotidesLong chainsof AminoacidsLargemacromoleculethat does notdissolve inwaterSugar molecules (1, 2,or long chain)Examples DNARNAenzymeshair (horns,feathers)fatsoilssugarsstarchcelluloseImportance to thecell dissolvessubstances insulates carryhereditaryInformation used tomakeproteins regulatecellProcesses providestructuralsupport store largeamounts ofEnergy formProtectivebarrieraroundCells & cellparts supply energyfor cellprocesses providestructuralsupport 9. Which substance containsamino acid?0% 0% 0% 0% 0%A. B. C. D. E.A. CarbohydratesB. LipidsC. Nucleic AcidsD. ProteinsE. Water45 10. Which 2 macromolecules storeenergy?A. Carbohydrates & ProteinsB. Lipids & ProteinsC. Nucleic Acids & LipidsD. Lipids & Carbohydrates0% 0% 0% 0%A. B. C. D.45 11. Which substance acts as aprotective barrier?0% 0% 0% 0% 0%A. B. C. D. E.A. CarbohydratesB. LipidsC. Nucleic AcidsD. ProteinsE. Water45 12. Which substance is made up ofsugars?0% 0% 0% 0% 0%A. B. C. D. E.A. CarbohydratesB. LipidsC. Nucleic AcidsD. ProteinsE. Water45 13. Which substance makes up70% of the cells volume?0% 0% 0% 0% 0%A. B. C. D. E.A. CarbohydratesB. LipidsC. Nucleic AcidsD. ProteinsE. Water45