Q. In aqueous solution, amino acids mostly exist as
A) ${NH}_{2}\ —CHR\ —COOH$
B) ${NH}_{2}\ —CHR—\ {COO}^{-}$
C) [image:14_image29.emf]
D) [image:14_image30.emf]
Explanation
The correct answer is Option D: [image:14_image30.emf].
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.