Biology

9th -

12thgrade

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Chapter 21.1: Session 1

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7 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt
    What do viruses need to reproduce?
    they need genetic material
    They need a host cell
    They need  bacteria
    They need insulin
  • 2. Multiple Choice
    45 seconds
    1 pt
    How does a virus cause a person to develop the common cold?
    invades the host cell to reproduce
    removes energy from the host cell
    produces toxins in the host cell
    protects the host cell from bacteria
  • 3. Multiple Choice
    45 seconds
    1 pt
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    A(n) _____ is a virus that enters a bacterial cell.
    endospore
    decomposer
    plasmid
    bacteriophage
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