How do enzymes speed up chemical reactions? Enzymes
A) lower the activation energy of chemical reactions.
B) raise the temperature of the cell, speeding chemical reactions.
C) store ATP, allowing more energy to be used in chemical reactions.
D) act as miniature 'transfer trucks', gathering m

yes i have all the correct answers

1. c 6. b. 11. c

2. a 7. d. 12. d

3. c 8. b. 13. c

4. d 9. c. 14. d

5. c 10. d. 15. a

16. d. 21. a

17. d.

18. a. 22-30 you must do on

19. d. your own

20. d.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.