Answer:
Pepsin breaks the proteins into simple amino acids.
Explanation:
Digestion is the process of break down of the larger food particles into the simpler substances. The digestion process requires enzymes and digestive juices.
Proteins are made of the amino acids. The enzyme pepsin helps in the breakdown of proteins into the simple peptides. The proteins present in the test tube is hydrolyzed by the enzyme pepsin and breaks down the proteins into simpler amino acids.
Thus, the answer is pepsin breaks the proteins into simple amino acids.
