Bio Vocab chapter 18 By Janice Romskog

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Across
  1. 2. One of the 3 domains of life, singled celled , prokaryotic.
  2. 3. A living organism or particle that can cause an infectious disease.
  3. 4. prokaryotic cell with a thick, protective wall surrounding its DNA.
  4. 8. A protein shell that surrounds a virus.
  5. 9. A virus that infects bacteria.
  6. 11. DNA of a bacteriophage inserted into a host cells DNA.
  7. 12. virus that contains RNA and uses the enzyme called reverse transcription to make copy of DNA.
  8. 13. rapid outbreak of a disease that affects many people.
Down
  1. 1. An infectious particle made of a single strand of DNA or RNA.
  2. 2. a process by which a prokaryote transfers part of its chromosomes to another prokaryote.
  3. 5. a tail like structure that helps an organism move.
  4. 6. infectious particle made of a single strand of RNA, mostly uses plants for hosts.
  5. 7. a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease,a shot.
  6. 10. infectious agent that consists of a protein fragment that cause other proteins to fold incorrectly.
  7. 11. Circular piece of genetic material found in bacteria that can replicate separate from the DNA of the main chromosomes.