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Microbiology and Viruses Crossword Puzzle for Middle School is a medium crossword puzzle with 14 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.

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Microbiology and Viruses Crossword Puzzle for Middle School
Explore key terms in microbiology and viruses with this medium-difficulty crossword puzzle. Perfect for middle school students learning about microbes, infections, and virus structure.
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Across
  • 1. The invasion and multiplication of harmful microorganisms in the body
  • 2. Any organism that causes disease
  • 3. An antibiotic used to treat bacterial infections
  • 4. Single-celled microorganisms that can be beneficial or harmful
  • 6. A poisonous substance produced by certain microbes
  • 9. A substance used to stimulate immunity to a specific disease
  • 12. The system that defends the body against infections
Down
  • 5. An organism that a virus or parasite lives on or in
  • 7. A virus that infects bacteria
  • 8. Able to be spread from one person to another
  • 10. Protein produced by the immune system to fight pathogens
  • 11. Molecules that make up the viral coat or capsid
  • 13. A tiny organism, such as bacteria or viruses, visible only under a microscope
  • 14. A tiny infectious agent that can only reproduce inside a host cell
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