Biology Review

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Across
  1. 5. only bacteria cells
  2. 6. breaks down waste materials within the cells
  3. 12. controls what goes in and out of the cell
  4. 13. necessary for life, protein,carbs, lipids and nucleic acids
  5. 14. movement of a small uncharged molecule across the cell membrane
  6. 16. the phases of the cell cycle when a cell grow doubles the DNA
  7. 19. pairs of nitrogen bases held together by two or three….
  8. 20. where MRNA is read by ribosomes to assemble amino acids into protein
  9. 22. only plant and animal cells
  10. 23. division process in which DNA of cell nucleus is split into two set of chromosomes
  11. 25. contains organelles that are found in cells that make plants green
  12. 26. where DNA is converted into messenger RNA
  13. 29. A chemical reaction that does not require the presence of oxygen
Down
  1. 1. What the body does to maintain the same or balances
  2. 2. plants convert light energy into chemical energy
  3. 3. which creates new proteins
  4. 4. that are use energy stored in chemical compounds to manufacture their own nutrient
  5. 5. square- a diagram used to predict geninpes and phenotypes of offspring
  6. 7. traps light energy found in chloroplasts makes plants green
  7. 8. movement of large or uncharged molecules molecules across a cell membrane using a protein channel
  8. 9. a molecule it's like a book of code that tells your cells what to do
  9. 10. type of cell division in severity reproducing organisms that reduce the number of chromosomes in gametes
  10. 11. A chemical reaction that requires the presence of oxygen
  11. 15. gradual change int the characteristics of living things across generations
  12. 17. proteins that act as biological catalysts in living things
  13. 18. A substance that kills or inhibit growth and reproduction of other microorganisms
  14. 21. movement of molecules across a cell membrane against the concentration gradient
  15. 24. tree- a diagram that shows relationships among organisms
  16. 27. movement of water across a semipermeable membranes
  17. 28. a molecule that carries genetic information in cells and viruses