BI-1306
Lock-and-key model
Biology · Secondary 4 · Medium · Lock-and-key model
Which statement describes how the lock-and-key model explains enzyme specificity?
- Any substrate can bind if there is enough kinetic energy.
- The active site changes randomly until a substrate fits.
- Only a substrate with a complementary shape can fit into the active site.
- The substrate determines the shape of the enzyme’s active site permanently.
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