1				2
														3				4
5				6		7
															8
			9
										10
				11										12
		13
													14
								15
						16
17																			18
													19
										20

Across 1. Aerobic respiration requires............ 3. all enzymes are ...... but all proteins are not enzymes 6. cells shrink in this solution 8. moving of water molecules from high level to low level 9. Second law of thermodynamics says, most of usable energy is lost by........ 12. cells swell in this solution 15. ...........convert chemical energy in the food to ATP molecules 16. large molecules move from outside to inside 17. molecules move from high to low concentration without using ATP 19. energy carriers in cells 20. molecules that react with enzymes

Down 2. relative amount of disorganization 4. large molecules move from inside to outside 5. molecules move from low to high by using energy(ATP) 7. stored form of energy 10. moving form of energy 11. sum of all the chemical reactions inside the cell 13. The part of an enzyme that accomodate substrate 14. .........convert solar energy to chemical energy 18. biological catalysts