Biology for IGCSE & O level - Biological Molecules (Section 3 - No. 5)
Which of the following is NOT a correct statement about enzymes?
Enzymes are proteins.
Enzymes speed up chemical reactions.
Enzymes are used up in the reactions they catalyze.
Enzymes have a specific shape that fits their substrate.
Explanation
Enzymes are not used up; they remain unchanged after catalyzing a reaction.
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