Answer is: <span>a. True. </span>The overall effect of insulin is to lower blood glucose and amino acid levels by promoting their cellular uptake and incorporation into glycogen and proteins, respectively. <span>The net effect of insulin is to decrease blood glucose and amino acids and stimulate the cellular uptake of these molecules and their incorporation into polymers. </span>Insulin <span>is a </span>peptide hormone<span> produced by </span>beta cells<span> of the </span><span>pancreatic islets.</span>
