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Question

If pH of a protein is 1.6, which enzyme will digest it?

A
Trypsin
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B
Pepsin
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C
Amylase
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D
Erepsin
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Solution

The correct option is D Pepsin
All the enzymes are affected by changes in pH. The enzymes work optimally at the particular pH. This pH is known as the optimum pH. The pH above or below the optimum pH will affect the enzyme activity.
The optimum pH of trypsin is 7.8 -8.7.
The optimum pH of pepsin is 1.5 -1.6.
The optimum pH of amylase is 6.7 -7.
The optimum pH of erepsin is around 8.
Thus, the correct answer is option B.

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