Unit 2

2. Hates/fears water
9. When a protein loses its intended shape and function
11. A cell membrane's ability to allow certain substances to pass through while also stopping others
13. The specific location on an enzyme where a substrate binds
16. A group of organs that work together to complete one or more certain actions
17. The minimum amount of energy required to begin a chemical reaction
18. Type of transport that does not require energy to move substances across a cell membrane
21. An organized or specialized structure in a living cell
22. The movement of water molecules from a solution with a high concentration to a solution with a lower concentration of water molecules

1. The substance that an enzyme acts upon
3. Main structural component of cell membranes, hydrophilic head, two hydrophobic tails
4. A protein that accelerates chemical reactions
5. A group of similar cells that work together to complete a certain action
6. Loves water
7. The substance(s) formed as a result of a chemical reaction
8. Smallest unit of measure in an element, building block of all matter
10. Movement of molecules from a highly concentrated area to a lower concentrated area
12. Type of transport that does require energy to move substances across a cell membrane
14. A structure formed using different tissues that work together to complete a certain action
15. A group of atoms bonded together
19. Any living thing
20. Basic building block of life