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Mr. Dubey • 100.64K Points
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Q. Natural proteins are composed primarily of 20 α-amino acids. Which one of the following statements is true for any of these amino acids in a solution of pH 1.5?

  • (A) Only the amino group is ionized
  • (B) Only the carboxylic acid group is ionized
  • (C) Both amino and carboxylic acid groups are ionized
  • (D) Both amino and carboxylic add groups are neutral
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