virus

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Across
  1. 3. a simple form of asexual reproduction where a single cell divides into two identical daughter cells
  2. 4. dormant, protective structures bacteria (like Bacillus) produce to survive unfavorable conditions
  3. 6. microscopic, single-celled organisms that are found everywhere on Earth
Down
  1. 1. the process of heating, and then rapidly cooling, liquids or food in order to kill microbes that may expedite their spoilage or cause disease
  2. 2. a description of pi bonds (double bonds) that are linked together
  3. 5. a long, whip-like appendage that helps cells, especially bacteria and some single-celled organisms, move