In solution, aminoethanoic acid (glycine) can be represented as NH3+ CH2COO. This implies that it?

A. is soluble in all-inorganic liquids
B. can function as a weak acid or a weak base
C. does not form salt with mineral acids
D. is highly acidic
E. cannot form esters with alkanols

Correct Answer:

Option B – can function as a weak acid or a weak base