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Basile [38]
3 years ago
13

These are complex proteins that speed up chemical reactions by lowering the amount of energy needed to get the reaction started.

Biology
2 answers:
Vilka [71]3 years ago
7 0
Enzymes.
They lower the activation energy (amount needed to start a reaction) and increases the reaction rate.
Naddika [18.5K]3 years ago
7 0

If you are doing USA test prep, then here is the answer key to all of the questions. Please leave a thanks if this helped you at all.

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