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Cell Theory

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  • Which statement is NOT part of the Cell Theory?
    Cells are the basic unit of life.
    All cells come from pre-existing cells.
    All living things are made of cells.
    Cells can be created from non-living matter.
  • Who proposed that all cells come from pre-existing cells?
    Virchow
  • What type of cells are these?
    Plant cells.
  • Who first discovered cells by looking at cork under a microscope?
    Robert Hooke
  • According to Cell Theory, all organisms are made of one or more _________.
    Cells.
  • According to cell theory, cells come from _________ _________.
    other cells.
  • Which microscope can show the 3D surface of tiny objects?
    Magnifying glass
    Transmission electron microscope (TEM)
    Scanning electron microscope (SEM)
    Compound light microscope
  • Why are microscopes important in science?
    They replace telescopes
    They make things look bigger for fun
    They can cure diseases directly
    They help scientists study cells and microorganisms
  • Living things grow and develop, reproduce, respond to stimuli, maintain internal conditions, and use…
    Energy
  • Which microscope uses light to magnify objects?
    Light microscope
  • Which statement is part of the Cell Theory?
    Cells can appear from non-living things.
    All living things are made of cells.
    All cells have nuclei.
    Only animals are made of cells.
  • According to Cell Theory, cells are the ________________ unit of life.
    smallest
  • What type of cells are these?
    Animal cells.
  • Robert Hooke was observing what object when he discovered cells?
    A cork.
  • Which type of microscope uses beams of electrons instead of light?
    Simple microscope
    Electron microscope
    Light microscope
    Compound microscope
  • Robert Hooke saw small openings in the cork that he described as…
    “tiny rooms”
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