Biology Review 1&2

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Across
  1. 2. formed by chains of amino acids
  2. 6. a monosaccharide that is in your blood
  3. 8. an enzyme that works best in the acidic environment of the stomach
  4. 10. binds to a substrate
  5. 11. when hypotheses have been tested and confirmed by multiple scientists
  6. 13. changes in DNA that are usually harmful
  7. 16. the expected outcome of a test
  8. 19. study of life
  9. 20. many glucose molecules linked together
  10. 23. lowers the activation energy
  11. 26. the variable that is measured
  12. 27. an important part of the scientific method, using the senses
  13. 30. example: when a water droplet sticks to the metal of the faucet
  14. 31. cholesterol is an example
Down
  1. 1. an atom or molecule that has a charge
  2. 3. a substance made of only one kind of atom
  3. 4. example: a pH of 10
  4. 5. stores energy
  5. 7. binds to fatty acids to form a triglyceride
  6. 9. the positively charged part of an atom
  7. 12. ability to maintain stable internal conditions in spite of environmental conditions
  8. 14. a factor that affects enzyme activity
  9. 15. in testing a new sports drink, changing the drink is this type of variable
  10. 17. two or more atoms bonded together
  11. 18. the type of bond that causes cohesion of water
  12. 21. bind to the active sites of enzymes
  13. 22. study of the interaction of living organisms
  14. 24. passing genetic code from parent to children
  15. 25. change in inherited traits over time
  16. 28. the group that receives no experimental treatment
  17. 29. the term for making sure your results are correct by repeating the experiment
  18. 30. pH of less than 7