Biology A-Level
Denaturation by temperature and pH change
What Denaturation by temperature and pH change means in Biology A-Level, as defined for AQA.
Definition of Denaturation by temperature and pH change
Check what you remember
Read the wording for your board, then hide it and explain Denaturation by temperature and pH change in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Increased vibration or altered hydrogen ion concentration breaks hydrogen and ionic bonds in the tertiary structure, the active site changes shape, substrate is no longer complementary and the enzyme is denatured.
Topics that use Denaturation by temperature and pH change
Related terms
- amplification of a change
- corrective response
- degree of control
- insulin and glucagon
- internal environment
- interpreting data
- justifying with figures
- Kinetic energy and collision frequency
Using Denaturation by temperature and pH change in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge