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

2946 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Why does a mutation in the genetic code change the structure of a haemoglobin molecule?


Why do blood clots form after a skin wound and how does this process occur?


What is photosynthesis?


Explain the similarities and differences between plant and animal cells structure and shape (may include use of a diagram and bullet points are accepted).


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:

© 2025 by IXL Learning