Enzyme Activity and pH Levels

Medium Data Representation Interpreting Experimental Data

A team of scientists conducted an experiment to examine the effects of different pH levels on enzyme activity. They prepared five test tubes with varying pH levels (3, 5, 7, 9, and 11) and added a fixed amount of enzyme to each. After allowing the reactions to proceed for 10 minutes, they measured the amount of product produced in each test tube. The results were summarized in the table below:

Table: Enzyme Activity at Different pH Levels

pH Level	Product Produced (mg)
3	2.1
5	4.5
7	6.8
9	4.0
11	1.3

Based on the data, what can be inferred about the enzyme's activity at different pH levels?

The enzyme works best at a pH of 5.

The enzyme activity decreases as pH moves away from neutral.

The enzyme is equally effective at all tested pH levels.

The optimum pH level for enzyme activity is 11.

Hint

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