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

3121 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

What are latin binomials and why do we use them?


What is the difference between aerobic and anaerobic respiration?


Describe the various functions of proteins in our body.


What is diffusion?


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