Trypsin Is a Digestive Enzyme That Hydrolyzes Peptide Bonds Only

question 55

Multiple Choice

Trypsin is a digestive enzyme that hydrolyzes peptide bonds only when the carbonyl group in the amide bond comes from Lys or Arg. What fragments result when the peptide Gly-Lys-Arg-Ala-Ala-Arg is hydrolyzed by trypsin?

• A)Gly,Lys,Arg,Ala-Ala,Arg
• B)Gly-Lys,Arg-Ala-Ala,Arg
• C)Gly-Lys,Arg,Ala-Ala,Arg

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