BIOLOGY

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Across
  1. 4. joint
  2. 6. shape
  3. 7. flat
  4. 8. the single set of chromosomes found in gametes
  5. 11. hair-like appendages on the cell membrane
  6. 12. cartilage
  7. 14. movement of particles or fluids out of the cell
  8. 17. cells that receive and transmit signals (2 words)
  9. 19. worms
  10. 24. cells with ability to contract (2 words)
  11. 25. the scientific study of living organisms
  12. 26. a method of classifying organisms based on their evolutionary relationships
  13. 28. "cell drinking" of liquids and dissolved substances
  14. 30. life
  15. 31. the central points where two chromatids are joined
  16. 33. rabbit
  17. 34. animal
  18. 36. the site of protein synthesis
  19. 37. passive movement of a substance down a concentration gradient and across a cell membrane that requires a carrier protein
  20. 40. algae, protazoans
  21. 41. passive movement of a substance from an area of high concentration
  22. 42. plant
  23. 43. uneven
  24. 44. fish
  25. 45. membrane bound sacs that contain hydrolytic enzymes
  26. 46. passive movement of water through a semi-permeable membrane from the dilute solution to the more concentrated solution
  27. 47. yeast, molds, mushrooms
  28. 48. the concentration of particles in a fluid compared to the concentration of particlesin the cytosol of a cel
Down
  1. 1. the clear, viscous fluid of the cell
  2. 2. to eat
  3. 3. flesh
  4. 5. even
  5. 6. bacteria
  6. 9. "cell eating" of large particles
  7. 10. bone
  8. 11. stage of cell division when the cytoplasm pinches and divides
  9. 12. process in which the chromatids of homologous chromosomes exchange strands of DNA (2 words)
  10. 13. sheets of cell that cover or line other tissues ( 2 words)
  11. 15. cells that surround themselves with a nonliving extracellular matrix (2 words)
  12. 16. joining of an ovum and a spermatozoon
  13. 18. the double set of chromosomes found in cells of the body
  14. 20. membrane bound sacs formed from other membranes
  15. 21. whip-like appendage on the cell membrane
  16. 22. foot
  17. 23. double
  18. 27. movement of substance across a cell membrane that requires a carrier protein and ATP (2 words)
  19. 29. DNA in long loose fiber
  20. 32. digits
  21. 35. figure-like projections formed from the cell membrane itself
  22. 38. process by which the body produces new cell for growth and to replace worn out and damaged cells; results in two daughter cells that are identical to the parent cells
  23. 39. process by which the body produces new cells for reproduction; results in four cells that have half as many chromosomes as the parent cell