Select the incorrect statement.

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Non-protein part present along with enzyme increases the catalytic activity

Inhibitors reduce the enzyme activity by interacting with the active functional groups of the enzyme surface

Activity of enzymes can be described by lock key model.

None of the above

answer is D.

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Detailed Solution

The enzymatic activity is increased in the presence of certain substances, known as co-enzymes. It has been observed that when a small non-protein (vitamin) is presentalong with an enzyme, the catalytic activity is enhanced. Activators are generally metal ions such as Na+,Mn+2,Co+2,Cu+2 substances, known as co-enzymes.The inhibitors or poisons interact with the active functional groups on the enzyme surface and often reduce or completely destroy the catalytic activity of the enzymes.on the enzyme surface and often reduce or completely destroy theIn lock-and-key model, the enzyme-substrate interaction suggests that the enzyme and the substrate possess specific complementary geometric shapes that fit exactly into one another

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