In which of the following do both amino acids have a polar but neutral side chain?
A) cysteine and methionine
B) cysteine and serine
C) histidine and methionine
D) phenylalanine and tryptophan

Question

Quizplus · Accepted Answer

Both cysteine and serine have polar but neutral side chains due to the presence of hydroxyl (-OH) groups. The other options do not have amino acids with polar but neutral side chains.

In Which of the Following Do Both Amino Acids Have