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REVIEW B6

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    B6
  •   Study   Slideshow
  • 1 micrometer is the same as how many millimeters?
    0.001 millimeter
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  • 1 nanometer is the same as how many millimeters?
    0.000001 millimeter
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  • How big is a red blood cell? (in micrometers or millimeters)
    7 micrometers / 0.007 millimeters
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  • How many times bigger is a millimiter then a nanometer?
    1 million times bigger
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  • How many times bigger is a millimiter then a micrometer?
    1 thousand times bigger
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  • 0.5 millimeters is the same as how many micrometers?
    500 micrometers
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  • What is a cell?
    The most basic unit of any living thing
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  • Do all cells have a nucleus?
    No, they don't
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  • What is the main example of a living thing that has only one cell?
    Bacteria
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  • What do we call the organisms that have only one cell and no nucleus?
    Prokaryotes
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  • What do we call organisms whose cells have a nucleus and organelles limited by a membrane?
    Eukaryotes
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  • What are the two main differences between a plant cell and an animal cell?
    A plant cell has a cell wall and an organelle called chloroplast
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  • What is the function of the cell wall?
    It is rigid and gives the plant skeletal support since plants do not have a skeleton
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  • What kind of pigment choroplasts contain?
    Chlorophyll
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  • What is special about chlorophyll?
    It causes photosynthesis
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  • What is the cell wall composed of?
    Cellulose
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