A monooxygenase can always be distinguished from a dioxygenase by incorporating only one oxygen atom from O₂ into the substrate rather than both.

Question

Quizplus · Accepted Answer

This statement is true. Monooxygenases incorporate only one oxygen atom from O₂ into the substrate, while dioxygenases incorporate both atoms. This difference in oxygen incorporation is due to the different mechanisms used by these enzymes to activate and activate the O₂ molecule.

A Monooxygenase Can Always Be Distinguished from a Dioxygenase by Incorporating