BITSAT 2019 Paper

(d) Glycine in alkaline solution exists as anion and migrates to anode.

Due to internal proton transfer of H ‌+ from the -COOH group to the -NH ‌2 the amino acid exists as an ion with both a negative charge and a positive charge, called a Zwitter ion

Now, during electrophoresis, glycine movestowards anode.