1.

Many organic substances are negatively charged e.g., acetic acid, while others are positively charged e.g., ammoniumion. An aminoacid under certain conditions would have both positive and negative charges simultaneously in the same molecule. Such a form of aminoacid is calledA. Positively charged formB. Negatively charged formC. Neutral formD. Zwitterionic form

Answer» Correct Answer - d


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