Biology 1

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Across
  1. 2. Many organelles that are in the cytoplasm
  2. 5. Loss of water vapour from plant leaves
  3. 8. Enzyme that removes hydrogen from a substance
  4. 9. A hard external skeleton in arthropods
  5. 10. This is combined with 3 molecules of an organic acid called fatty acid
  6. 14. Movement of water through the cell membrane
  7. 15. Wave of contraction in the alimentary canal
  8. 17. Enzymes in tears
  9. 20. A process to slow down the rate of oxidation of sugar in the plant
Down
  1. 1. What is the process of biological classification
  2. 3. A reaction that split large molecules into smaller ones
  3. 4. Blood vessel that carries blood away from heart
  4. 6. Chest pains when the blood supply to the heart is reduced
  5. 7. Process when red blood cells burst
  6. 11. Movement of sucrose and amino acids in the phloem
  7. 12. Cells in the trachea that secretes mucus
  8. 13. Needed to make DNA in the plants
  9. 16. Gives the endoplasmic reticulum its rough edges
  10. 18. Polysaccharide that forms a food storage substance in animal cells
  11. 19. Muscle wall that separates the left and right chamber
  12. 21. Chemical substance on the surface of all cells