Judah Brooks Unit 2

1. what is put in the enzyme before the chemical reaction
4. moving molecules across the membrane using energy
5. diffusion with water
8. the smallest level of organization
9. basic unit of life
10. the result of a chemical reaction
11. where the substrate fits on an enzyme
13. loves water
16. when the active site on an enzyme changes shape and the substrate no longer fits
17. a living thing
18. multiple organs working together
19. hates water
21. multiple cells combine to form this
22. multiple atoms bonded together

2. the energy needed to start a chemical reaction
3. moving molecules across the membrane without using energy
6. only certain things are allowed through
7. what makes up the cell membrane
12. a protein that lowers the activation energy needed for chemical reactions
14. molecules moving from a place of high concentration to low concentration
15. performs an action in the body/made of tissue
20. multiple molecules combine to form this/perform action in a cell