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Viruses and Bacteria

  •  English    25     Public
    characteristics
  •   Study   Slideshow
  • All cells have____
    cytoplasm,a cell wall, DNA/RNA, ribosomes
    cytoplasm,a cell membrane, DNA/RNA, ribosomes
    cytoplasm,a cell membrane, DNA/RNA, mitochondria
    cytoplasm,a cell membrane, nuclei, ribosomes
  •  20
  • What is the function of a flagellum in bacteria?
    cloning
    movement
    reproduction
    attachment
  •  15
  • What is the function of pilli in bacteria?
    reproduction
    movement
    To help the bacterium to attach to surfaces and each other.
  •  15
  • What are the three shapes that bacteria can come in?
    rod-shaped, round, diamond shaped
    rod-shaped, round, and spiral
    round, spiral, squared
    round, rod-shaped, squiggly
  •  15
  • What is the type of asexual reproduction that bacteria go through?
    cloning
    binary fission
    budding
  •  10
  • Bacteria reproduce through a process called binary fission. Is this asexual or sexual reproduction?
    sexual
    asexual reproduction
  •  10
  • All bacteria are bad for you. true or false
    false
    true
  •  10
  • A virus has genetic material enclosed in a ___ coat
    carbohydrate
    lipid
    protein
  •  20
  • Do scientists all agree that viruses are alive?
    No, there is some debate as to whether they are alive or not.
  •  15
  • chicken pox is a virus - true or false
    true
    false
  •  10
  • After a virus attaches to a host cell, what does it do next?
    It moves to another cell
    It leaves the body.
    nothing
    It injects its genetic material into the host cell.
  •  15
  • After a virus injects its genetic material into the host cell, what does it do next?
    nothing
    The DNA gets lost.
    The virus dies
    The virus DNA/RNA takes over the host DNA/RNA.
  •  15
  • After the virus' genetic material takes over the host's genetic material, what does it do next?
    nothing
    The virus dies.
    The host cell becomes a virus.
    The host cell makes more viruses.
  •  15
  • After the host cell makes all the viruses it can, what happens next?
    The host cell is destroyed and the viruses are released.
    nothing
    You get better.
    The virus dies
  •  15
  • True or false: Antibiotics can kill viruses.
    FALSE
    TRUE
  •  10
  • Bacteria are eukaryotes. true or false
    false
    true
  •  15