Classify each phrase as describing a competitive inhibitor, uncompetitive inhibitor, or mixed (mixed noncompetitive) inhibitor. Note that Kₘ refers to apparent Kₘ.

1. when present, Kₘ of enzyme will either increase or decrease
2. binds either enzyme or enzyme-substrate complex
3. prevents the substrate from binding enzyme
4. binds enzyme-substrate complex only
5. structurally similar to substrate
6. when present, Kₘ of the enzyme will increase
7. when present, Kₘ of the enzyme will decrease