• # question_answer Amino acids are the building blocks of A)  Vitamins                    B)  Fats               C)       Carbohydrates           D)  Proteins

Proteins are synthesized from amino acids. On hydrolysis they give amino acids. $\text{Proteins}\xrightarrow{\text{Hydrolysis}}\text{Amino}\,\text{acids}$ Hence the correct option is (d).