Which substances fit together like a lock and key?

Which substances fit together like a lock and key?
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1 Answer

Answer :

enzymes and substrates
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‘Lock’ and ‘Key’ model of enzyme action proposed by Fisher implies that (A) The active site is flexible and adjusts to substrate (B) The active site requires removal of PO4 group (C) The active site is complementary in shape to that of the substrate (D) Substrates change conformation prior to active site interaction

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