Why is it important to maintain a cumulative yield above 60% in Edman degradation?

• A. To increase the speed of the degradation process.
• B. To ensure that the correct PTH amino acids are in high abundance, reducing the risk of inaccurate sequencing.
• C. To ensure that all amino acids are sequenced in a single cycle.
• D. To prevent the reaction from stopping prematurely.

Answer: (B)