Not All Enzymes Have Substrate Specificity

question 129

Multiple Choice

Not all enzymes have substrate specificity. For example, pepsin can breakdown numerous types of proteins in the stomach. What concept best describes why the single enzyme pepsin can breakdown so many proteins?

• A) the law of mass action
• B) the induced -fit model
• C) complementary base pairing rule
• D) ligand -protein interactions
• E) the lock -and -key model

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