What is an enzyme?

An enzyme is a protein which acts as a biological catalyst, to speed up reactions. It has an active site which is a very specific shape to allow it to bond to a particular reagent and catalyse a specific biological reaction. The enzyme itself is not used up in the reaction.

Answered by Rachel H. Biology tutor

3494 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

What is the difference between Aerobic and Anaerobic respiration?


Where are chromosomes found? A.Cytoplasm B. Nucleus C. Ribosomes D. Vacuole


State the similarities and differences between eukaryotic and prokaryotic cells


Describe blood flow through the heart


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences