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Type: Multiple-Choice
Category: Macromolecules
Level: Grade 9
Score: 19
Tags: enzymes
Last Modified: a year ago

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Macromolecules Question

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Grade 9 Macromolecules

How do enzymes help chemical reactions to occur?
  1. They speed up reactions by adding more substrates to react with enzymes.
  2. They slow down reactions by increasing the activation energy.
  3. They speed up chemical reactions by lowering the activation energy required.
  4. They slow down reactions by changing the overall temperature of the reaction.
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