Chapter 1 Crossword HW

123456789101112131415
Across
  1. 1. Have membrane bound nucleus containing DNA, organelles, can compose uni and multicellular organisms.
  2. 3. Bacteria, Archaea, Eukarya.
  3. 6. Bacteria and archaea.
  4. 10. Need to infect a cell to propagate, composed of small amount of DNA or RNA.
  5. 13. No nucleus, lacks membrane bound organelles, unicellular, smaller than eukaryotes.
  6. 14. established wether or not an organism is pathogenic and which disease it caused.
  7. 15. first to observe living cells "animalcules", and constructed over 250 small microscopes to magnify objects up to 300 times.
Down
  1. 2. described importance of handwashing.
  2. 4. disproved spontaneous generation, involved in development of vaccination, developed pasteurization, studied the role of microorganisms in fermentation.
  3. 5. evolved to photosynthesize long before plants appeared.
  4. 7. Carbs, Lipids, proteins, nucleic acids.
  5. 8. used aseptic techniques in surgery. Introduction of sterilization.
  6. 9. produce gasses such as CO2 and CH3 (methane gas, reproduce rapidly
  7. 11. first to observe dead plant cells under a microscope.
  8. 12. No nucleic acid, only protein based.