MDCAT Biology MCQ #906

An amino acid is placed in a solution where its carboxyl group acts as an acid and its amino group as a base. What term describes this property?

MDCAT Biology MCQ #906

  1. Question 1

    Q1. An amino acid is placed in a solution where its carboxyl group acts as an acid and its amino group as a base. What term describes this property?

    • A) Hydrophilic
    • B) Hydrophobic
    • C) Zwitterionic
    • D) Amphoteric

    Answer: Amphoteric

    Explanation: Amino acids are amphoteric as they act as acids or bases; 'Zwitterion' refers to the dipolar ion state, not the chemical behavior.