This Question Has Four Parts

This question has four parts:
A) For the amino acid shown above in zwitterion form,circle the carboxyl group,underline the amine group,label the alpha carbon,and draw a box around the R group.
B) Write the name and abbreviation of your amino acid.
C) Classify the amino acid as polar,non-polar,acidic,or basic.Explain the basis for your classification.
D)Draw the structure of the amino acid at a pH well below its isoelectric point and well above its isoelectric point.