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5 votes
Enzymes (blank) chemical reactions.

-Speed up

-Don’t change

-Slow down

User Deo Leung
by
7.3k points

2 Answers

6 votes

Answer:

they speed up

Step-by-step explanation:

User Joshua Simon
by
6.7k points
2 votes

Answer:

Speed up

Step-by-step explanation:

User Rkt
by
6.7k points