Life Science - Chapter 6

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Across
  1. 5. these consist of three basic shapes, rod shaped, spiral shaped, and spherical
  2. 7. the protein coat surrounding a virus
  3. 8. consists of a nucleic acid, DNA or RNA, and is surrounded by a protein
  4. 10. a whip-like appendage that some bacteria use to move around
  5. 11. an injection of a weakened or dead virus that helps the body learn to defend itself against the virus
  6. 12. what element do some bacteria help "fix" so that plants can use it
  7. 13. a cell infected by a virus
  8. 14. produce proteins that bacteria need to survive
  9. 15. a type of bacteria that are responsible for recycling matter from waste material and the remains of plants and animals into the soil where they can be reused
Down
  1. 1. a virus that remains inactive for a long time
  2. 2. a bacterium's DNA and ribosomes enclosed in a tough case that can survive unfavorable conditions
  3. 3. what type of animal has a special stomach that contains bacteria that helps them break down cellulose
  4. 4. a slimy coating that covers the cell wall of some bacteria that keeps it from drying out
  5. 6. bacterial reproduction in which the DNA is replicated and the cell membrane pinches together to form two identical bacteria
  6. 9. small strands of DNA that are separate from the main chromosome