A solution of an enzyme normally found in the human body was added to a flask containing a solution of proteins in distilled water, and then the flask was stoppered. This mixture was then maintained at a temperature of 27 degrees Celsius and a pH of 7 for 48 hours. When the mixture was analyzed, the presence of amino acids was noted. Which substance was present in the solution in the flask after 48 hours? Choose between answers 1-4
1.) amino acids, only
2.) amino acids and polypeptides, only
3.) polypeptides, amino acids, and enzyme molecules
4.) polysaccharides, amino acids, and enzyme molecules