Practice question

The enzyme undergoes a conformational change upon binding is the correct choice because it does not accurately describe or belong to the category addressed in this question. In the context of Enzymes Basics, the other options (The substrate fits perfectly into the enzyme’s active site, This model explains high specificity of enzymes, and It was proposed by Emil Fischer) are all valid and well-established concepts. The enzyme undergoes a conformational change upon binding is either unrelated to the topic, describes a different biological process, or represents a common misconception. Questions framed as 'which is NOT' require students to identify the exception among otherwise correct statements, demanding comprehensive knowledge of the topic rather than recognition of a single fact.