Question

Repressible enzyme is

• A. Present all the time
• B. Functional almost all the time
• C. Repressed in presence of a specific chemical
• D. All the above

Answer 1

The correct option is D All the above

The repressible enzyme is an enzyme which remains active all the time, usually, function in anabolic pathways. If the end product is present in sufficient amount or the level of the substrate is high, then the pathways turn off. Thus, the correct option is D.