What is the role of an enzyme?

Enzymes are biological catalysts that speed up chemical reactions by providing an alternative reaction pathway with lower activation energy.

RB

Related Biology GCSE answers

All answers ▸

Why do the muscles of the Iris contract and relax?


Ella has just finished running a half marathon. She hasn't been drinking enough water so is dehydrated and is feeling incredibly hot. Describe how her body responds to these changes. (6)


What is the difference between aerobic and anaerobic respiration?


Describe the differences between different types of blood vessels