Science Midterm Chapters 2 and 3

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Across
  1. 4. An equal sharing of electrons
  2. 6. A large molecule
  3. 10. Popularized unpopular beliefs because he was popular
  4. 16. used in animals to store energy; three fatty acids
  5. 19. A biomolecule that is made of CH2O; a sugar
  6. 21. Major dietary source of glucose
  7. 22. Hydrophilic and hydrophobic at the same time
  8. 26. A polymer that is foundational to life
  9. 28. The element essential to biomolecules
  10. 31. A biomolecule that is built by nucleotides
  11. 32. This has two strands and contains the bases A, C, T, & G
  12. 33. The scale used to measure the amount of H+ ions in a solution
Down
  1. 1. The stage that requires more than one protein to function
  2. 2. The monomer of a nucleic acid
  3. 3. Observed dead cells under a microscope
  4. 5. First to conclude that new cells are formed when pre-existing cells divide
  5. 7. A fat
  6. 8. This has one strand and contains the bases U, G, C & A
  7. 9. stores glucose
  8. 11. The basic unit of life; named after their appearance
  9. 12. Declared all plants were made of cells; combined his results with a friend
  10. 13. The monomer of a protein
  11. 14. The stage with a single chain of amino acids
  12. 15. gives strength to plants and trees
  13. 17. Declared all animals were made of cells; combined his results with a friend
  14. 18. The stage that combines alpha helices and beta sheets; most proteins are complete here
  15. 20. Declared that cells couldn't arise out of nothing and that cell division is why organisms develope
  16. 23. The stage that folds into alpha helices and beta sheets
  17. 24. A biomolecule that is built by amino acids
  18. 25. A small molecule
  19. 26. If placed in an acidic solution, it will make it more basic.
  20. 27. Created the first microscope with high resolution and magnification; first to observe living cells
  21. 29. makes up the exoskeleton of insects and crustaceans
  22. 30. First to say that cells were the basic building block of plants