NCEA Level 2 Biology Practice Questions - New Zealand Certificate Of Educational Achievement Level 2 Biology Exam

Which statement best describes the function of enzymes in biological systems?

Enzymes are consumed during chemical reactions to provide raw reactants. Enzymes raise the activation energy required for a chemical reaction to occur. Enzymes increase the temperature inside the cell to accelerate metabolic processes. Enzymes act as biological catalysts that speed up reactions by lowering the activation energy.

Correct Answer:

Enzymes act as biological catalysts that speed up reactions by lowering the activation energy.

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