Of the 20 amino acids that animals use to construct proteins,how many are essential?

Name: Of the 20 amino acids that animals use to construct proteins,how many are essential?
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Essential amino acids are those that cannot be synthesized by the animal's body and therefore must be obtained through diet. Out of the 20 amino acids, 8 are essential for animals: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, and valine.

Of the 20 Amino Acids That Animals Use to Construct