microbio crossword #1

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Across
  1. 3. Biological catalyst that speeds up chemical reactions
  2. 4. Polymer composed of amino acids
  3. 5. Microbe that causes disease
  4. 7. Large molecule made of smaller units called monomers
  5. 9. Single-celled prokaryotes distinct from bacteria
  6. 10. Main energy-storage molecule of cells
  7. 12. Cell or organism with a membrane-bound nucleus
  8. 14. Nonliving microbe that must infect a host cell to reproduce
  9. 15. Study of organisms usually too small to see without magnification
  10. 17. Term for a protein whose normal structure has been disrupted
  11. 18. Large carbohydrate made of simple sugar monomers
  12. 19. Infectious protein with no nucleic acid
Down
  1. 1. Protective outer layer that helps some bacteria attach to surfaces
  2. 2. Protein and polysaccharide component of some bacterial cell walls
  3. 5. Process developed by Louis Pasteur to reduce harmful microbes
  4. 6. Informational molecule such as DNA or RNA
  5. 8. Single-celled prokaryotes that lack a nucleus
  6. 11. Main lipid component of cell membranes
  7. 13. Idea that living things arise only from other living things
  8. 16. Cell or organism without a membrane-bound nucleus