Biology 0610 · IGCSE · Enzymes

Enzymes — practice question

As the temperature rises, the rate of an enzyme-catalysed reaction increases until the optimum temperature is reached. Which statement best explains the increase in rate?

  • AThe enzyme and substrate have more kinetic energy and collide less frequently.
  • BThe enzyme and substrate have less kinetic energy and collide more frequently.
  • CThe enzyme and substrate have more kinetic energy and collide more frequently.
  • DThe enzyme and substrate have less kinetic energy and collide less frequently.

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