Biology for IGCSE & O level - Enzymes (Section 4 - No. 37)
Which of the following statements are true regarding enzymes?
Enzymes are used up in a chemical reaction.
Enzymes can be reused.
Enzymes speed up the rate of chemical reactions.
Enzymes can be made of lipids.
Explanation
Enzymes are not used up and speed up reactions. They are typically made of proteins.
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