General Biology Midterm

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Across
  1. 3. a long molecule consisting of many similar building blocks
  2. 6. repeating building blocks
  3. 9. “to know”
  4. 10. the dissolving agent
  5. 11. a storage polysaccharide in animal
  6. 12. recorded observations
  7. 15. a type of steroids used in animal cell membranes
  8. 16. a scientific test
  9. 19. an attraction between different substances
  10. 20. anything that takes up space and has mass
  11. 22. a liquid that is a completely homogeneous mixture of substances
  12. 26. two fatty acids and a phosphate group
  13. 27. an explanation based on observations and assumptions
  14. 29. no charge and leads to isotopes
  15. 30. Study of Life
Down
  1. 1. lipids characterized by a carbon skeleton consisting of four fused rings
  2. 2. polymers disassembled to monomers
  3. 4. substances that cannot be broken down to other substances by chemical reactions
  4. 5. the substance being dissolved
  5. 6. large polymers
  6. 7. acids consist of carbonyl group attached to a long carbon skeleton
  7. 8. a measure of thermal energy
  8. 13. if you change the amount you get ions
  9. 14. hydrogen bonds hold water molecules together
  10. 17. the search for information and explanations of natural phenomena
  11. 18. includes sugars and polymers of sugars
  12. 21. a substance consisting of two or more elements in a fixed ration
  13. 23. a class of large biological molecules that doesn’t include true polymers
  14. 24. specialized macromolecules known to speed up chemical reactions
  15. 25. used in exoskeleton of arthropods
  16. 28. positive charge and is in the nucleus