BioM

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Across
  1. 3. sugar coat, viscous, gelatinous polymer that is external to the cell wall and composed of polysaccharide, polypeptide, or both.
  2. 5. specificity; carrier proteins react only with a single molecule, whereas a few show affinities for a closely related class of molecules, such as sugars or amino acids.
  3. 7. A toxicity is associated with the LPS layer
  4. 8. contain one or more enzymes that can oxidize various organic substances
  5. 12. polysaccharide composed of two sugar derivatives
  6. 17. MEMBRANE PROTEIN membrane proteins that are firmly embedded in the membrane.
  7. 19. movement of bacteria toward or away from a stimulus
  8. 20. combination of a green alga and a fungus
  9. 22. resting cells, highly differentiated cells that are extremely resistant to heat, harsh chemicals, and radiation
  10. 23. translocation; involves a series of proteins in the transport event
  11. 24. refers to the toxic component of LPS
  12. 25. acids that many gram-positive bacteria have acidic components called
  13. 26. relatively simple eukaryotic photoautotrophs that lack tissues
  14. 28. bundles of fibrils that arise at the ends of the cell beneath an outer sheath and spiral around the cell
  15. 31. thin barrier that surrounds the cell and separates the cytoplasm from the cell’s environment.
  16. 32. system that consists of three components: a substrate-binding protein, a membrane-integrated transporter, and an ATP- hydrolyzing protein.
  17. 33. filamentous mass of hyphae
  18. 36. short pieces of naked RNA, only 300 to 400 nucleotides long, no protein coat
  19. 37. substance that can freely pass the membrane in both directions.
  20. 38. pathogenic bacteria that doesn’t have cell wall that causes several infectious disease to humans
  21. 41. are smaller than microtubules and are polymers of two intertwined strands of protein actin
  22. 42. cross-walls found in hyphae
  23. 44. unicellular, eukaryotic organisms
  24. 46. five-carbon hydrocarbon side chains of archaeal lipids.
  25. 47. inclusions that contain the enzyme ribulose
  26. 51. molecules that are somewhat rigid planar which are structural analogs of sterols.
  27. 52. COMPLEX stack of membrane bound sacs called cristernae
  28. 54. BONDS lipids of archaea
  29. 56. short flagella that beat in synchrony to propel the cell
  30. 57. can orient bacteria specifically within a magnetic field
  31. 58. obligatory intracellular parasites
  32. 59. serves as the site of ribosomal RNA synthesis
  33. 60. constant portion of peptidoglycan
  34. 61. MEMBRANE PROTEIN not membrane-embedded but nevertheless remain firmly associated with membrane surfaces.
  35. 62. such cells lack mitochondria and some of them contain structures called
Down
  1. 1. lipids that function to add strength and rigidity to the membrane.
  2. 2. long filamentous appendages that propel bacteria
  3. 4. largest known prokaryote, sulfur chemolithotroph
  4. 6. group of bacteria that have unique structure and motility
  5. 9. consists of interlocking protein or glycoprotein molecules that show an ordered appearance when viewed with the electron microscope.
  6. 10. collective term for the large inclusions that take their name from the fact that they sometimes stain
  7. 11. similar to fimbriae, but are typically longer and only one or a few pili are present on the surface of a cell.
  8. 12. protein arranged helically around a central core.
  9. 13. chlorophyll containing organelles of phototrophic microbial eukaryotes such as algae
  10. 14. long filaments of cells
  11. 15. membrane-enclosed compartments that contain digestive enzymes that hydrolyze proteins, fats, and polysaccharides
  12. 16. occur at the poles of the bacterial cell or can be evenly distributed over the entire surface of the cells
  13. 18. layer where the lipid and polysaccharide are linked in the outer membrane
  14. 19. group species of Archaea that doesn’t have a cell wall.
  15. 21. proteinaceous infectious particles, ‘mad-cow disease“
  16. 27. bacteria that 10% of the total cell wall consists of peptidoglycan, second lipid bilayer, but is not constructed solely of phospholipids and proteins.
  17. 29. dedicated transport proteins.
  18. 30. RETICULUM network or membranes continuous with the nuclear membrane
  19. 34. transport that consists only of a membrane-spanning transport protein.
  20. 35. cell walls of Archaea that are remarkably similar to peptidoglycan.
  21. 38. process of orienting and migrating along Earth’s magnetic field lines
  22. 39. most common cell wall in species of archaea, PARACRYTALLINE SURFACE LAYER.
  23. 40. effect; the concentration of substrate is high enough to saturate the transporter, the rate of uptake becomes maximal and the addition of more substrate does not increase the rate.
  24. 43. acids that certain teichoic acids are covalently bound to membrane lipids.
  25. 45. cell wall that 90% of the wall is peptidoglycan
  26. 48. where respiration occurs
  27. 49. internal support networks that form the cell
  28. 50. hollow tubes and are composed of proteins
  29. 53. wound around basic positively charged proteins
  30. 55. space or cavity in the cytoplasm of a cell that is enclosed by a membrane called a tonoplast