Biology Midterm Review

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Across
  1. 2. organelle responsible for protein synthesis
  2. 5. This organelle stores DNA and controls the cell's activity
  3. 7. enzymes help to ____ the speed of a chemical reaction
  4. 9. type of relationship where both individuals benefit
  5. 10. structures that are used in mitosis to help pull apart sister chromatids
  6. 13. respiration in the absence of oxygen
  7. 15. all energy on earth derives from the ___
  8. 19. an organelle present in plant cells and absent in animal cells
  9. 21. enzymes are examples of this biomolecule
  10. 22. term for maintaining a steady state
  11. 23. Multicellular eukaryotic autotrophs belong to this kingdom
  12. 25. phase of mitosis where chromosomes align in the middle of the cell
Down
  1. 1. type of relationship where one individual benefits and the other is unaffected
  2. 3. organelle responsible for ribosome synthesis
  3. 4. plants reflect this color of light
  4. 6. type of organism can obtain energy directly from any of the other organisms in an ecosystem
  5. 8. reactant of photosynthesis
  6. 11. Selectively permeable structure surrounding the cell
  7. 12. longest phase of a cell's life
  8. 14. term for a non-living part of an ecosystem that shapes its environment
  9. 16. iodine solution turns black on a potato, this indicates the presence of
  10. 17. somatic cells are produced via
  11. 18. type of cellular transport that requires energy
  12. 20. diffusion of water
  13. 24. energy currency in our cells