Science

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Across
  1. 5. when there are more or less electrons in an atom.
  2. 6. Often found in the form of sugars
  3. 7. linear organic polymer
  4. 9. is the chemical combination of two or more elements
  5. 10. brings about a specific biochemical reaction
  6. 12. are often sour to the taste
  7. 13. Has the ability to bond and form polymers
Down
  1. 1. resists ph change
  2. 2. similar to the north pole and antarctic
  3. 3. the negatively charged part of the atom
  4. 4. Acids two different classes that created different types of life forms
  5. 7. Joined by peptide bonds
  6. 8. Insoluble in water but soluble in organic solvents
  7. 11. are often bitter to taste