A solution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. The graph shown was plotted at the end of the experiment.

What can be concluded from the graph?
Responses
A Temperature has no effect on the activity of the enzyme.Temperature has no effect on the activity of the enzyme.
B The effect of temperature on the enzyme is unpredictable.The effect of temperature on the enzyme is unpredictable.
C The enzyme shows increased activity up to a certain temperature.The enzyme shows increased activity up to a certain temperature.
D The activity of the enzyme is inversely proportional to the temperature.

C The enzyme shows increased activity up to a certain temperature.