Effect of Enzyme Concentration on Reaction Rate

Hard Biochemistry Enzymes

Enzymes are biological catalysts that speed up chemical reactions in the body. One of the key aspects of enzyme function is the relationship between enzyme concentration, substrate concentration, and the rate of reaction. Consider an experiment where an enzyme solution is mixed with a fixed concentration of substrate. If the enzyme concentration is gradually increased, what effect does this have on the reaction rate? Choose the correct statement regarding this scenario.

The reaction rate will increase linearly with increasing enzyme concentration until all substrate is saturated.

The reaction rate will remain constant regardless of the enzyme concentration.

The reaction rate will initially increase, but will plateau once the substrate becomes saturated.

The reaction rate will increase only in the presence of excess substrate.

Hint

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