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Essential amino acid is :
A
Phenylalanine
B
Glycine
C
Aspartic acid
D
Serine
Detailed Solution
Essential amino acids cannot be made in the human body and must be obtained from the diet.
They are valine, leucine, isoleucine, threonine, methionine, phenylalanine, tryptophan and lysine (with histidine and arginine for children).
Glycine, aspartic acid and serine are non-essential; the body can synthesise them.
So phenylalanine is an essential amino acid.
They are valine, leucine, isoleucine, threonine, methionine, phenylalanine, tryptophan and lysine (with histidine and arginine for children).
Glycine, aspartic acid and serine are non-essential; the body can synthesise them.
So phenylalanine is an essential amino acid.