Chapter 21 crossword

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Across
  1. 4. body reproductive structure of a fungus that grows from the mycelium
  2. 9. particle made of proteins, nucleic acids, and sometimes lipids that can replicate only by infecting living cells
  3. 10. of generations life cycle that has two alternating phasesa haploid (N) phase and diploid (2N) phase
  4. 11. symbiotic association between a fungus and a photosynthetic organism
  5. 12. infection type of infection in which a virus embeds its DNA into the DNA of the host cell and is replicated along with the host cell's DNA
  6. 13. kind of virus that infects bacteria
  7. 17. symbiotic association of plants roots and fungi
  8. 18. RNA virus that contains RNA as its genetic information
  9. 19. complex carbohydrate that makes up the cell walls of fungi; also found in the external skeletons of arthropods
  10. 20. process in which paramecia and some prokaryotes exchange genetic information
Down
  1. 1. unicelular organism that lacks a nucleus
  2. 2. how old are the eukarotic cells found in fossils
  3. 3. disease-causing agent
  4. 5. a group of drugs used to block the growth and reproduction of bacterial pathogens
  5. 6. structure used by protists for movement in a wavelike motion
  6. 7. fission type of asexual reproduction in which an organism replicates its DNA and divides in half, producing two identical daughter cells
  7. 8. one of many long, slender filament that make up the body of a fungus
  8. 14. short hairlike projection tat produces movement
  9. 15. euukaryotes that are not members of the plant, animal, or fungi kingdoms
  10. 16. bacteriophage DNA that is embedded in the bacterial host's DNA