The breaking down of proteins obtained from the diet is the source of free amino acids in the cytoplasm..
Proteins are biopolymers composed of many subunits called amino acids, which are linked by peptide bonds.
Proteins, lipids and carbohydrates are macronutrients that must be obtained from the diet.
Moreover, there are nine (9) essential amino acids that cannot be synthesized by the body: lysine, methionine, histidine, isoleucine, leucine, threonine, phenylalanine, tryptophan and valine.
In conclusion, the breaking down of proteins obtained from the diet is the source of free amino acids in the cytoplasm.
Learn more in:
https://brainly.com/question/8019625?referrer=searchResults
