amino acids

give the general structure of an amino acid and name the groups bonded to it:

R group

how may an amino acid exhibit chirality?

if the R group is anything other than the groups bonded to the central C atom (i.e. except glycine which has a H atom R group)

if an amino acid is chiral, how many enantiomers usually occur?

1

what is a zwitterion?

compound w/ no overall electrical charge, but which contains separate parts which are +vely and -vely charged

give the structure of an amino acid at neutral pH:

give the structure of an amino acid at low pH:

give the structure of an amino acid at high pH:

draw the structure of the amino acid shown at pH 13: