Identify the optimum pH for the activity of the enzyme lactase.
A) 2.0
B) 9.0
C) 10.0
D) 6.0

Name: Identify the optimum pH for the activity of the enzyme lactase. A) 2.0 B) 9.0 C) 10.0 D) 6.0
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Question

Quizplus · Accepted Answer

Lactase enzyme activity is highest at a slightly acidic to neutral pH range of 5.5 to 7.5, with an optimum pH of 6.0. At higher or lower pH levels, the enzyme can denature and lose its enzymatic activity. Therefore, the best choice is D.

Identify the Optimum PH for the Activity of the Enzyme