MCAT Biochemistry Question 45: Answer and Explanation
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Question: 45
15. What property of protein-digesting enzymes allows for a sequence to be determined without fully degrading the protein?
- A. Selectivity
- B. Sensitivity
- C. Turnover
- D. Inhibition
Correct Answer: A
Explanation:
The selective cleavage of proteins by digestive enzymes allows fragments of different lengths with known amino acid endpoints to be created. By cleaving the protein with several different enzymes, a basic outline of the amino acid sequence can be created.