Biology Vocab

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Across
  1. 3. A molecule that has a positive and a negative end.
  2. 7. A substance that speeds up a chemical reaction without being used up.
  3. 10. A large molecule made from repeating monomers.
  4. 11. A substance formed as a result of a chemical reaction.
  5. 12. A chemical reaction where two molecules combine, releasing water.
  6. 13. A type of chemical bond where atoms share electrons.
  7. 14. A carbon-based molecule, often including hydrogen and other elements, essential to life.
  8. 15. A small molecule that can join with others to form a polymer.
Down
  1. 1. A chemical reaction that breaks a compound by adding water.
  2. 2. A sugar or starch, used for energy and consisting of carbon, hydrogen, and oxygen.
  3. 4. The energy needed to start a chemical reaction.
  4. 5. A molecule that provides energy for cellular processes.
  5. 6. A very large molecule, like proteins of DNA, consisting of many atoms.
  6. 8. A weak bond between bases in a DNA molecule
  7. 9. A substance that starts a chemical reaction.