Explain what an 'enzyme' is.

An enzyme is a catalyst which speeds up a reaction by providing an alternative pathway with lower activation energy required. 

YC
Answered by Yuko C. Biology tutor

3182 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

How are plant leaves adapted for photosynthesis?


How do white blood cells defend against invading pathogens?


How does temperature affect enzyme activity


How do white blood cells differ from red blood cells?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning