The Complete Digestion of Proteins in the Small Intestine Yields

The complete digestion of proteins in the small intestine yields

A) only single amino acids that are absorbed across the absorptive cells into the blood.
B) single amino acids and di- and tripeptides that are broken down to single amino acids by protesases in the absorptive cells.
C) α-keto acids and amino groups that are reassembled in the absorptive cells prior to entering the blood.