Practice question
Question
Consider the two 𝑝𝐾 𝑎 values of valine as 2.32 and 9.62. The isoelectric point (pI) of this amino acid is ______. (rounded off to two decimal places) (NAT)
Explanation
This outcome reflects enzyme kinetics, where substrate binding and catalytic efficiency determine reaction rates. Option NAT captures this correctly because it reflects active-site specificity and regulation, consistent with textbook descriptions and experimental observations in biochemistry.
Discussion
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