Answer:
Explanation:
Below is the correct step by step process in the digestion of protein from peanut butter sandwich.
1. Mechanical digestion in the mouth breaks down the food.
2. A bolus enters the stomach.
3. Hydrochloric acid denatures proteins and activates pepsinogen to form pepsin.
4. Pepsin breaks down proteins into polypeptide
strands.
5. Chyme travels from the stomach to the small intestine.
6. Enzymes from the pancreas are secreted into the small intestine.
7. Enzymes in the small intestine break down polypeptide strands into mostly tripeptides and dipeptides.
8. Tripeptides and dipeptides are broken down into single amino acids that
enter the blood and travel to the liver.