Many organic substances are negatively charged e.g., acetic acid, while others are positively charged e.g., ammonium ion. An aminoacid under certain conditions would have both positive and negative charges simultaneously in the same molecule. Such a form of aminoacid is called
A. Positively charged form
B. Negatively charged form
C. Neutral form
D. Zwitterionic form
Answer:D
Many organic substances are negatively charged e.g., acetic acid, while others are positively charged e.g., ammonium ion. An aminoacid under certain conditions would have both positive and negative charges simultaneously in the same molecule. Such a form of aminoacid is called
A. Positively charged form B. Negatively charged form C. Neutral form D. Zwitterionic form