How does pH affect the rate of reaction on an enzyme?

Optimum pH for enzymes in the human body is 6. It's a bell shaped Graph. At Higher or lower pH, the alkalinity/acidity denatures the enzyme, which changes the shape of the active site, and so the substrate cannot fit. Therefore, the enzyme-substrate complex cannot be made, and so the enzyme does not work.

Answered by Max H. Biology tutor

9411 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Compare and contrast the cell structure of animal, plant and bacterial cells


Explain why dead plants decay faster in soil which earthworms inhabit compared to soil which lacks any earthworms.


MRSA and C. difficile are resistant bacterial strains which cause life-threatening infections in hospitals. Explain how MRSA/ C. difficile could arise from non-resistant bacteria. [6 marks]


How does vaccination prevent infection?


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