What is the role and structure of enzymes in the human body?

The role of enzymes are to act as a catalyst to speed up the rate of chemical reactions within the human body. They do this by binding to a molecule or substrate and breaking it up or by combining two molecules together. Enzymes are proteins that have been molded in such a way to create a binding site that substrate molecules can attach to. Enzymes have different shapes and each enzyme is specific to its substrate molecule in such a way that only its selected substrate can fit into its binding site. This is known as the lock and key hypothesis.

Answered by Clement H. Biology tutor

1470 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Compare anaerobic respiration in a yeast cell with anaerobic respiration in a muscle cell.


How are animals cloned?


What are two different ways cells of the body signal each other? Give an example of each.


Cells in Plant Roots do not Photosynthesise. State one reason why.


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 2013–2024

Terms & Conditions|Privacy Policy