Unit 2

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Across
  1. 3. A Structure inside a cell that performs a specific function
  2. 4. Water fearing
  3. 5. This refers to the cell membrane allowing only some things to pass through
  4. 7. The result of a chemical reaction
  5. 9. Similar cells working together
  6. 11. Passive transport from an area of high concentration to low concentration
  7. 14. A protein that speeds up a chemical reaction. Sometimes called a catalyst
  8. 16. The diffusion of water
  9. 17. Movement across the cell membrane that requires energy. Going from low concentration to high concentration
  10. 18. Any living thing
  11. 19. Two or more atoms bonded together
  12. 20. The basic unit of life
Down
  1. 1. The location on an enzyme where a substrate binds
  2. 2. Organs that work together to perform a function
  3. 6. The energy needed to start a chemical reaction
  4. 7. Movement across the cell membrane that does not require energy
  5. 8. A chemical compound that goes through a chemical reaction after binding to an enzyme
  6. 10. Water loving
  7. 12. When an enzyme has become altered due to extreme change in temp. or pH
  8. 13. The smallest unit of all matter
  9. 15. Forms a bilayer that makes up the cell membrane
  10. 18. Similar tissues working together