Which of the following is an essential amino acid?
Q. Which of the following is an essential amino acid?
A. Cysteine
B. Asparagin
C. Glutamine
D. Phenylalanine
Answer: Phenylalanine
A. Cysteine
B. Asparagin
C. Glutamine
D. Phenylalanine
Answer: Phenylalanine