Enzymes
What enzymes means
Biological catalysts and how they work.
Worked example
One question from this skill's own question bank, shown with its full working.
Enzymes are biological catalysts that
- speed up reactions without being used up
- stop all reactions
- are used up completely each time
- add energy directly
Working: Enzymes lower activation energy and are reusable.
Curriculum and exam alignment
Curriculum notes are a general guide to where this work normally sits. Always check the syllabus your school or examination body is currently using.
Related skills
Other Enzymes & Metabolism skills in Biochemistry, at the same point in the course.
Other Biochemistry topics
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Practise enzymes
6 questions with a worked answer after every attempt, and a SmartScore that tracks how close you are to mastery.