Enzyme–substrate complex formation
What Enzyme–substrate complex formation means in Biology A-Level, as defined for OCR.
Definitions of Enzyme–substrate complex formation
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Enzyme–substrate complex formation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Both types lower activation energy by forming an enzyme–substrate complex at the active site, and the products are released.
Forming the complex strains bonds in the substrate and positions reacting groups correctly, which speeds up the reaction.
Topics that use Enzyme–substrate complex formation
- Enzymes (OCR A-Level)
Related terms
- Activation energy and enzyme–substrate complexes
- Cellular metabolism
- Coenzyme
- Cofactor
- Competitive inhibitors
- Digestion and absorption of products
- Effect of missing cofactors on reaction rate
- Effect of substrate concentration on inhibition
Using Enzyme–substrate complex formation 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.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge