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Type: Multiple-Choice
Category: Macromolecules
Level: Grade 9
Tags: enzymes
Author: PMISIAS
Last Modified: 7 months ago

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Grade 9 Macromolecules

The "lock and key" model of enzymes explains
  1. that the enzyme's active site must be a shape that is specific to the substrate to which it binds
  2. that any shape for the active site is acceptable when binding to the substrate
  3. that enzymes prefer not to bind with a substrate
  4. that substrates fit perfectly with no enzymes
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