The PH Profile of an Enzyme Can Help Identify Specific

question 9

Multiple Choice

The pH profile of an enzyme can help identify specific amino acids in the active site because:

• A) all enzymes have a pH optimum
• B) only the active site amino acids can detect changes in pH
• C) acidic and basic amino acids are often involved in the active site and pH changes can change their ability to catalyze a reaction
• D) the pH optimum is always the pI of the most critical amino acid in the active site

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