Question

Match the correct term in enzyme action with each description.
A) coenzyme
B) lock-and-key theory
C) cofactor
D) active site
E) enzyme-substrate complex

1> the temporary combination of an enzyme with the compound on which it acts
2> an organic compound that is sometimes needed to complete an enzyme
3> the portion of an enzyme molecule where catalytic activity occurs
4> an inorganic substance such as Mg2+ required by some enzymes for activity
5> one theory that accounts for the unusual specificity of an enzyme

Answer

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