CELLS-PASSIVE 1

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Across
  1. 3. Vacuoles are ________ (find) in both plant and animal cells.
  2. 7. Cell functions are ________ (compare) among different organisms.
  3. 8. The importance of stem cells is ________ (teach) in advanced biology classes.
  4. 10. Energy is ________ (obtain) through cellular respiration.
  5. 12. Waste materials are ________ (remove) from cells through specialized processes.
  6. 14. Oxygen is ________ (take) into the cell during respiration.
  7. 15. The endoplasmic reticulum is ________ (choose) for comparison in many biology lessons.
  8. 16. Cell theory is ________ (develop) through years of scientific investigation.
  9. 18. Cell communication is ________ (support) by signaling molecules.
  10. 20. The nucleus is ________ (know) as the control center of the cell.
  11. 21. The Golgi apparatus is ________ (build) to modify and package proteins.
  12. 22. Cell differentiation is ________ (describe) as a highly regulated process.
  13. 23. Enzymes are ________ (write) about extensively in biology textbooks.
  14. 26. Cell structures are ________ (observe) under powerful microscopes.
  15. 28. Organelles are ________ (arrange) according to their specific functions.
  16. 30. The cytoplasm is ________ (surround) by the cell membrane.
  17. 31. Lysosomes are ________ (send) to recycle damaged cellular components.
Down
  1. 1. New cells are ________ (grow) from pre-existing cells.
  2. 2. Cell walls are ________ (construct) from different materials in various organisms.
  3. 4. Cell growth is ________ (control) by regulatory proteins.
  4. 5. Proteins are ________ (produce) by ribosomes.
  5. 6. Every living organism is ________ (make) of one or more cells.
  6. 9. ATP is ________ (generate) inside mitochondria.
  7. 11. Cell division is ________ (begin) with DNA replication.
  8. 13. Genetic information is ________ (keep) inside the nucleus of eukaryotic cells.
  9. 16. Plant cells are ________ (distinguish) by the presence of chloroplasts.
  10. 17. DNA is ________ (read) during gene expression.
  11. 18. Scientific evidence is ________ (show) in diagrams and laboratory reports.
  12. 19. The cell membrane is ________ (call) a selectively permeable barrier.
  13. 24. Harmful substances are ________ (throw) out of the cell by exocytosis.
  14. 25. Cell membranes are ________ (cover) by phospholipid bilayers.
  15. 27. Nutrients are ________ (bring) into cells by transport proteins.
  16. 29. Cell types are ________ (classify) according to their structures and functions.