GENERAL BIOLOGY

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Across
  1. 1. This helps to keep cell membrane from becoming stiff.
  2. 5. The process whereby a reactant in a chemical reaction gains one or more electrons.
  3. 8. A German botanist who made extensive microscopic observation of plant tissues.
  4. 9. Surrounded by a single membrane containing digestive enzymes for breaking down toxic materials.
  5. 10. One kind of a good bacteria in the body that normally found in digestive, urinary and genital systems.
  6. 11. A small dense region of cytoplasm that serves as the main microtubule organizing center.
  7. 13. The division of the rest of the cell.
  8. 15. Typically made up of roots, stems and leaves.
  9. 17. An undifferentiated tissue that contains actively dividing cells.
  10. 18. The process whereby a reactant in a chemical reaction loses one or more electrons.
  11. 20. Long, narrow and have thick lignified cell walls.
  12. 22. They are embedded in the cell membrane and help in cell to cell communication and molecule transport across the membrane.
  13. 26. It Digest fats in the gut.
  14. 27. A tissue that is responsible for the storage of nutrients.
  15. 29. A cell formed by the union of two gametes.
  16. 31. A group of similar cells that are structurally adopted to perform a particular function.
  17. 34. It forms the lipid bilayer of the cell membrane.
  18. 36. Known as cell drinking.
  19. 38. Chromosomes divide and spindle fibers pull chromosomes to opposite poles.
  20. 40. This happens when the sisters chromatids fail to separate.
  21. 41. It influence the stability of their intramolecular bonds.
  22. 42. Small finger like projections found on cells within the body that help the cells to get nutrition.
  23. 44. A membrane-bound structure that contains a cells heredity information.
  24. 48. A family of proteins that controls the progression of a cell throughout the cell cycle.
  25. 49. The fluid in the cytoplasm.
  26. 52. He ended the debate on spontaneous generation.
  27. 53. A mature haploid male or female germ cell.
  28. 54. The process by which cell divides to form a new cell.
  29. 55. It break protein down into amino acid.
  30. 56. It supplies energy to the cell.
  31. 57. Made up of a number of tissues that collectively enable the process of photosynthesis.
  32. 58. The first person to develop the idea of spontaneous generation.
  33. 59. One copy of each Chromosomes.
  34. 60. A cell that is responsible for transmitting DNa to the next generation.
Down
  1. 2. The process by which cells take in substance from outside of the cell by engulfing them in vesicle.
  2. 3. It gives protection, support and shape to plant cells.
  3. 4. Serve as compounds that increase chemical reaction in biological systems.
  4. 6. Develop from two sets of egg and sperm.
  5. 7. A process where a single cell divides into two identical daughter cells.
  6. 12. Made up of sieve tubes and companion cells.
  7. 13. Slender, microscopic, hair like structures or organelles that extended from the surface of nearly all mammalians cells.
  8. 14. Its adopted for specific functions through process of cell differentiation.
  9. 16. Involves the movement of materials against a concentration gradient.
  10. 19. Jelly like fluid that surrounds and protect the organelles.
  11. 21. Specialized sclerenchyma cells with thickened, highly lignified walls.
  12. 23. Located on cell membrane surfaces and have a carbohydrate sugar chain attached to them.
  13. 24. It's hair like structures that acts primarily as an organelle of locomotion in the cells of many living organisms.
  14. 25. A modern science that involves manipulating the properties of tissues and cell.
  15. 28. Two Chromosomes in a pair normally one inherited.
  16. 30. It is the additions or removal of groups to form double bonds.
  17. 32. Process that is used to transport materials from inside the cell to the external part of the cell using energy.
  18. 33. Movement of water molecules through the membrane.
  19. 35. Cilia that appear typically as single appendages microtubules on the apical surface of cells.
  20. 36. They give the cell support and shape.
  21. 37. Made up of tracheids and vessels
  22. 39. The process which cells internalize large particles or cells, like damaged cells and bacteria.
  23. 43. First used the term cells in 1665.
  24. 45. A simple, Permanent tissue typically found in the roots and leaves of plants.
  25. 46. It is blood clotting disorder which is linked to what geneticist refer to as mosaicism.
  26. 47. The two sisters strands of DNA.
  27. 50. Scientific study of plants.
  28. 51. It's boarded on either side by a pair of specialized cell known as guard cell.