Biology GCSE
lock and key hypothesis
What lock and key hypothesis means in Biology GCSE, as defined for OCR.
Definition of lock and key hypothesis
Check what you remember
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Reference: OCR
Each enzyme possesses an active site with a rigid, complementary three-dimensional shape that binds only one specific substrate to form an enzyme-substrate complex.
Topics that use lock and key hypothesis
Related terms
- active site
- Amino acid sequence
- Complementary base pairing
- compound measures
- controlled variables
- denaturation
- double helix
- enzyme investigations
Using lock and key hypothesis in the exam
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