Biochem.
any amino acid that is required by an animal for growth but that cannot be synthesized by the animal's cells and must be supplied in the diet.
[ 1935-40 ]
Biochem.
any amino acid that is required by an animal for growth but that cannot be synthesized by the animal's cells and must be supplied in the diet.
[ 1935-40 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012